The main suspect in the murder of a University of Wisconsin doctor and her husband was dating the couple’s daughter and had moved in with the family, DailyMail.com has learned exclusively.

Khari Sanford was a schoolmate of their daughter Mimi Carre and had been involved with her romantically, sources say.

One source said he had recently moved into the couple’s $600,000 home a few blocks from the university campus. ‘They had taken him in,’ said the source.

Last year Sanford enrolled at Madison West High School, close to where the couple have lived since 2004, and was listed as a receiver on the school’s football team. Previously he had lived in the city’s south side.

Dailymail.com can reveal that suspect Khari Sanford, 18,  was dating the couple’s daughter Mimi Carre and had moved in with the family

Police have said the couple were targeted and that Sanford was known to the victims’ family 

Police say Dr. Beth Potter, 52, and her husband Robin Carre, 57, were victims of a ‘calculated, cold-blooded and senseless murder.’ They said the couple were targeted.

A jogger discovered the couple’s bodies in a ditch in the University of Wisconsin Arboretum on Tuesday last week. They had both been shot. Carre was dead at the scene and Potter was transferred to the hospital where she died.

Khari Sanford was arrested earlier Friday and police previously said he was ‘known to the family’ and it was ‘not a random act’ 

The Dane County Medical Examiner’s Office said they died from ‘homi