UPDATED Monday, April 21 --- 4:00pm

The Green County Sheriff's Department issued a press release Monday to update news organizations on the Mark Tobin Homicide Investigation.

Detectives still believe this incident is drug-related and that Mark Tobin was the intended target of the act of violence. Tobin was found on November 21, 2007.

The search warrant continues to be sealed by the order of the Green County Circuit Court. Detectives believe if the search warrant is released, it could impede the investigation.

Detectives have conducted approximately 700 interviews during the investigation. They continue to investigate leads. No suspects are in custody.

The family of Mark C. Tobin announces they are offering a $10,000 reward for information leading to the arrest and conviction of the person or persons responsible for the death of Mark Tobin. The family has set-up a reward fund through the State Bank of Newburg, located in Newburg, Wisconsin.

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Updated Wednesday --- December 5, 2007 -- 7:14pm

The State Crime lab announces it has uncovered a probable motive for a murder in Green County.

Police say they believe 38-year old Mark Tobin was killed in a narcotics-related incident, and the crime was not a random act.

Tobin was found in his New Glarus home November 21. Investigators determined he died as the result of a -quote- "violent act".

Green County Circuit Court has sealed the search warrant request, in an effort to keep details of the investigation confidential.

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Updated Saturday---November 24, 2007

The preliminary results of an autopsy performed on Mark Tobin confirms he was the victim of a violent act.

The Green County Sheriff's Department says it will take several weeks before the final autopsy results will become available to determine the exact cause of death.

Tobin's body was discovered Wednesday afternoon in his home about 6 miles west of New Glarus. His friends came upon his body after not hearing from Tobin for some time.

No suspects have been named as authorities continue to investigate the incident.

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Updated Friday --- November 23, 2007

NEW GLARUS, Wis. (AP) -- Authorities in Green County say an autopsy will be performed Thursday on a man found dead in his rural home.

The sheriff's department is treating the death of 38-year-old Mark Tobin as a homicide.

His body was found Wednesday afternoon in his home about 6 miles west of New Glarus. Sheriff Randy Roderick says a friend who hadn't heard from Tobin in a while went to the house and found him lying on the floor.

Tobin's wife told authorities she hadn't been home this week because she goes to college in Milwaukee during the weekdays. A tenant who lives in an attached rental property said he works out of the area and also hadn't been home in a few days.

Deputies expect the investigation of the scene will take several days.

AP

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UPDATED Thursday 10:00am -- November 22, 2007

The victim is identified as Mark C. Tobin (38 years old). His body has been transported to Madison where a forensic pathologist will perform an autopsy.

According to investigators, his wife Maureen attends college in the Milwaukee area. She had not been home this week.

A rental property is attached to their home. Investigators say the tenant works out of the area and hasn't been home for the past several days.

Part of the News Release issued by the Green County Sheriff's Department: During the early stages of the investigation, no specific suspect or suspects have been developed and our objective is to establish a motive from the evidence that is being recovered and interviews with family, friends and acquaintances.

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Posted Wednesday --- November 21, 2007

The Green County sheriff's department says they are investigating a possible murder in the township of York, which is near New Glarus.

The victim was found Wednesday afternoon after someone went to check on him.

At this time it's not known how long the man has been dead, but the sheriff's department says it appears he was murdered.

The victim's name has not been released.

Deputies think this is an isolated incident and area residents are not in any danger.