Sarasota County sheriff's deputies believe they may have solved a murder case dating back to 2011.

William Case, 54, was arrested Tuesday in the March 2011 murder of Karen Courts at her Sarasota home. She had been stabbed 28 times.

Case became a suspect in 2012 after deputies said he attempted to murder a Sarasota County sheriff’s deputy serving an eviction notice. He was also suspected in two burglaries, one of which took place across the street from Courts' home on the day of her death.

Karen Courts

He was arrested, and his fingerprints and DNA were taken. Case, however, was deemed incompetent by a judge in August 2012 and then again in May 2014, in the deputy's attempted murder and burglary cases. He was admitted to the Florida State Hospital.

During the investigation, shoe impressions were found at the burglary and murder scenes. Last month, state investigators said the shoe prints were consistent in brand, model, size and pattern to shoes worn by Case.

Case's DNA was also recovered from her vehicle, which had been stolen and abandoned at Westfield Sarasota Square Mall. Detectives also found video showing Case driving, parking and exiting the stolen car at the mall.

Monday, a warrant was issued for Case's arrest. Crews took Case to Sarasota County jail, where he is being held without bail.

Case is charged with one count of murder.