PITTSBURGH (KDKA) — Police have ruled Ronald Duff’s death a homicide.

Duff, a 61-year-old man with a mental disability from Harrison Township, was found dead in his Blue Ridge Avenue house Oct. 16.

READ MORE: Peregrine Falcon Released Into The Wild In Butler County After Recovering From Head And Spine Injury

Last week, police arrested Duff’s 56-year-old brother Larry and 22-year-old Jason Link in conjunction with the murder.

Both are charged with criminal homicide.

On Wednesday, police also arrested Larry Duff’s wife, 39-year-old Lisa Duff.

READ MORE: Hacker Sentenced To 7 Years In Prison For Stealing Personal Information Of UPMC Employees

She is charged with simple assault, neglect of a care-dependent person and tampering with evidence.

Duff’s death was originally deemed suspicious by investigators, because of cuts and bruising that authorities called significant signs of trauma.

They also said his body had been spray painted and doused with water.

Duff’s brother, sister-in-law and Link all remain at the Allegheny County Jail.

MORE NEWS: Police: Armed Bystander Intervened In Shooting At Park City Center Mall In Lancaster, Shot Suspect

More Local News
Police Arrest 2 After Finding Mentally Disabled Man Dead (10/16/2012)