UPDATED: Thursday, May 16, 2013 --8:08 a.m.

MADISON, Wis. (AP) -- A Madison teenager has been found guilty of killing a man during a gang war in 2011.

A Dane County jury delivered the verdict for, 19-year-old Demitrius Matticx, who was convicted of first-degree intentional homicide and three counts of first-degree reckless endangerment in a parking lot shooting that killed 20-year-old Jonathan Wilson. Matticx faces a mandatory life sentence. A judge will decide whether the teen will be eligible for supervised release.

The State Journal reports prosecutors say Matticx brought a loaded shotgun to a gang meeting before the shooting and told others afterward that he had shot and possibly killed someone.

Copyright 2013: Associated Press

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UPDATED Thursday, February 7, 2013 --- 11:40 a.m.

Incident Report from the Madison Police Department:

On February 6, 2013, the MPD arrested, without incident, Mr. Anthony Poindexter, age 25, Madison, and Mr. Andrew O. Ellis, age 26, Madison. Both are charged with being a party to the crime of the 2011 homicide.

The MPD is still seeking a 10th suspect. He has been identified as Mr. Logan C. Anderson, age 20. Mr. Anderson has been a Madison resident, but his whereabouts are unknown at this time. Anyone with information on Mr. Anderson should contact Madison Area Crime Stoppers at 266-6014. He is also wanted for being a party to the crime of this homicide.

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UPDATED Wednesday, November 16, 2011 --- 10:45 a.m.

MADISON, Wis. (AP) -- Seven alleged gang members have been ordered to stand trial in a Madison shooting death.

Sixteen-year-old Devante James testified at a preliminary hearing Tuesday under an immunity deal, meaning it cannot be used against him at further proceedings.

The Wisconsin State Journal reports (http://bit.ly/sRosU7) he's one of seven charged with being a party to first-degree intentional homicide for the Oct. 20 death of Jonathan Wilson.

James testified that most of them planned to go fight a group that chased and beat James' brother, Levante James, earlier that day. But he says the plan shifted and the group decided to bring guns, but he did not witness Wilson's shooting.

A hearing will be set to decide whether James will remain charged as an adult or be transferred to juvenile court.

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Information from: Wisconsin State Journal, http://www.madison.com/wsj

Copyright 2011. The Associated Press.

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UPDATED Monday, October 31, 2011 --- 11:00 a.m.

From the Madison Police Department;

Mr. Myntrell Jarvis, age 18, Madison was arrested in the 200 block of Kennedy Heights around 11:45 a.m. Saturday morning (October 29). Mr. Jarvis has been tentatively charged with First Degree Intentional Homicide – Party To A Crime.

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UPDATED Wednesday, October 26, 2011 --- 9:50 a.m.

From the Madison Police Department:

Shon Hamilton, age 20, Madison, turned himself into police after a Community Crime Watch bulletin, containing his name and photo, went out yesterday afternoon.

He has been arrested on a tentative charge of Party To A Crime First Degree Intentional Homicide.

A 16-year old Madison teen has also been taken into custody on the same tentative charge. Six people are now in custody for this crime.

On October 20th, shortly after 10:00 p.m., Madison Police were dispatched to the 800 block of Troy Dr. following multiple reports of shots being fired.

Officers arrived to a very chaotic scene, with evidence suggesting many rounds had been fired.

Located inside a car was Jonathan T. Wilson, age 20, Madison. He was pronounced dead as a result of gunshot wounds.

In the investigation that followed, Madison Police identified many suspects (listed below).

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UPDATED Tuesday, October 25, 2011 --- 3:05 p.m.

From the Madison Police Department:

Arrested:
Demetrius V. Matticx, age 18, Madison, arrested on a tentative charge of First Degree Intentional Homicide

Dreyon D James, age 19, Madison, arrested on a tentative charge of Party To A Crime (PTAC) First Degree Intentional Homicide

Jimmy A Leuaxay, age 18, Madison, arrested on a tentative charge of PTAC First Degree Intentional Homicide

John K Leauxay, age 18, Madison, arrested on a tentative charge of PTAC First Degree Intentional Homicide

Victim:
Jonathan T. Wilson, age 20, Madison

Details:
On October 20th, shortly after 10:00 p.m., Madison Police were dispatched to the 800 block of Troy Dr. following multiple reports of shots being fired.

Officers arrived to a very chaotic scene, with evidence suggesting many rounds had been fired.

Located inside a car was Jonathan T. Wilson, age 20, Madison. He was pronounced dead as a result of gunshot wounds.

In the investigation that followed, Madison Police identified many suspects. The following have now been arrested for their roles in the slaying:

1. Demetrius V. Matticx, age 18, Madison, arrested on a tentative charge of First Degree Intentional Homicide

2. Dreyon D James, age 19, Madison, arrested on a tentative charge of Party To A Crime (PTAC) First Degree Intentional Homicide

3. Jimmy A Leuaxay, age 18, Madison, arrested on a tentative charge of PTAC First Degree Intentional Homicide

4. John K Leauxay, age 18, Madison, arrested on a tentative charge of PTAC First Degree Intentional Homicide

This investigation is on-going, and other persons of interest are being sought for questioning.

Among individuals the MPD would like to locate is Shon Hamilton, age 20, Madison. He is a person of interest in this crime. He should be considered armed and dangerous. Anyone knowing the whereabouts of Mr. Hamilton should call 911.

Other information on the case can be given to Madison Area Crime Stoppers at 266-6014. Callers can remain anonymous and maybe eligible for up to a $1,000 reward.

Regarding the crime itself, North District Cam McLay say this is what is known thus far:

• This was a gang related incident, and not a random event

• The motive has not yet been fully determined at this time, but:

- The violence occurred between individuals with strong gang affiliations.
- The gang members involved in the shooting specifically targeted the other group in a coordinated attack.
- There were multiple weapons present and fired in this attack.
- There were drugs recovered at the scene of the shooting.

• Despite the proximity, there are no known connections between the Karstens Dr. shooting and this incident.

• We believe that those we have arrested were involved in the events that led up to homicide, and we are continuing to investigate to fully understand the depth of their involvement.

• We believe that there were others who also participated in the violence, who we have not yet been able to identify, and we are continuing to investigate to identify those individuals.

• We believe that there are members of the public who have information that would allow us to successfully solve this case and bring the suspects to justice.

• We know that with your help, we will bring these suspects to justice.

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UPDATED Monday, October 24, 2011 --- 3:25 p.m.

From the Madison Police Department:

On October 20th at approximately 10:00 p.m., the Madison Police Department responded to the 800 Block of Troy Drive for a report of a shooting.

On arrival, officers encountered a highly chaotic scene, where multiple shots had been fired. One person was found dead, and another sustained a very superficial gunshot wound.

In the subsequent investigation, suspects were identified.

By early evening on Friday, October 21st, three were detained. Two remain in custody and the third was interviewed and released. The investigation continues.

Arrested were two brothers:
Dreyon James
1011 S Thompson Dr, Madison
Charged with First Degree Recklessly Endangering Safety

Levante James
549 Moose Tr., Madison
Charged Probation Violation

This incident involved to groups with gang ties who know one another and involves some type of on-going dispute. As such, this is not a random violent act.

We will be working with neighborhood stakeholders, providing extra police attention to the Vera /Troy and surrounding area and continuing our investigative efforts until those involve have been held accountable.

Anyone with information is urged to contact Crime Stoppers at 266-6014 or the North Police District at 243-5258.

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UPDATED: Saturday, October 22, 2011 --- 3:00p.m.

Release from Dane County Medical Examiner:

The Dane County Medical Examiner’s Office is releasing the name of the homicide victim from the shooting late Thursday evening in the 800 block of Troy Drive in the City of Madison. The victim is identified as:

Jonathan TeAndre WILSON
20
Madison, WI

A complete forensic examination was completed at the Medical Examiner’s Office on Friday 10-21-11. Preliminary autopsy results indicated that Mr. Wilson’s death was due to homicidal firearm injuries.

This case remains under investigation by the Madison Police Department and the Dane County Medical Examiner’s Office.

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UPDATED Friday, October 21, 2011 --- 3:40 p.m.

Police continue to investigate a homicide on Madison's north side that took place last night.

Police say around 10:00 p.m. they were called to the 800 block of Troy Drive after neighbors heard gunfire.

Once on the scene they found a 20-year-old Madison man who had been shot and killed.

Another victim was shot but the injury was not serious.

Police say it appears both the suspected shooters and victims have gang connections; although the motive is unclear.

Last night's murder comes just days after another shooting in that same neighborhood.

On Monday, a 23-year-old man was shot and taken to the hospital with non-life threatening injuries.

That shooting occurred just one block away from the shooting last night.

23-year-old Rakiv Redman was arrested on charges of First Degree Intentional Homicide.

Despite how close these shootings were to each other, right now police don't believe they are connected.

They say Monday's shooting was a drug deal gone bad while last night's murder appears to be gang-related.

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UPDATED Friday, October 21, 2011 --- 9:35 a.m.

From the Madison Police Department:

Madison Police officers were dispatched to the 800 block of Troy Drive shortly after 10:00 p.m. last night after several citizens called dispatch. All were reporting hearing outside gun fire.

Officers, who were first on the scene, found a deceased 20-year-old Madison man who had been shot.

Later, a second male victim was found with a superficial gunshot wound. It did not require medical attention.

Detectives say victims and suspects knew one another and that this was not a random act of violence.

Some of those involved have gang affiliations, although the exact motive for the shooting is not yet known.

Madison Police are canvassing the area. Detectives are following leads.

Citizens who may have information are encouraged to call Madison Area Crime Stoppers at 266-6014.

Callers can remain anonymous and maybe eligible for up to a $1,000 reward.

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UPDATED: Friday, October 21, 2011 --- 5:45 a.m.

A 20-year-old man was killed late Thursday night on the 800 block of Troy Drive in Madison. That's on the city's north side near Warner Park. Police say the man was shot just after 10 p.m.

Right now, they have no suspects in custody, and no persons of interest have been identified. However, police do say this does not appear to be a random act.

At this time, police have not released the identity of the 20-year-old victim, nor what led to the shooting.

Police are asking anyone with any information about this case to call Crime Stoppers at 266-6014.

Stay with NBC 15 on air and online for the latest in this investigation.

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INCIDENT REPORT from the Madison Police Department:

Incident Type
Murder/Homicide

Incident Date
10/20/2011 - 10:07 PM

Address
800 blk. Troy Dr.

Victim
male, 20 years old

Details
The victim was shot in the 800 blk. of Troy Dr. This does not appear to be a random act. The investigation is continuing. More information may be provided by PIO DeSpain later today.

Please call Crime Stoppers at 266-6014 if you have any information about this crime.

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POSTED: Friday, October 21, 2011 --- 4:05 a.m.

One man is dead after a shooting in Madison.

It happened Thursday night just after 10 p.m. on the 800 block of Troy Drive on Madison's north side.

Police have not identified the victim yet or what led to the shooting.

Investigators say they don't have any suspects at this time, and are actively working the case.

We'll bring you more details as they become available.