FENTON, Mich. -

Visitation will begin Wednesday for 39-year-old Officer Pat O'Rourke who was killed while on the job in West Bloomfield Sunday night.

Visitation is 2-8 p.m. Wednesday and 2-8 p.m. on Thursday at the Highland Chapel of the Elton Black & Son Funeral Home in Oakland County's Highland Township.

Elton Black & Son Funeral Home says a funeral Mass for Officer Pat O'Rourke is scheduled for 10:30 a.m. Friday at St. John the Evangelist Parish in Fenton, followed by a cemetery service.

O'Rourke was a West Bloomfield officer for 12 years. He was married and had four children.

A candlelight vigil was held Tuesday night outside the West Bloomfield Police Department.

West Bloomfield police officer's family

--The O'Rourke family

Watch: Uncut: Vigil for West Bloomfield police officer Patrick O'Rourke

West Bloomfield Police Chief Michael Patton said a former auto executive, Ricky Coley, who was facing business and family troubles fired on police responding to a call at his home on Sunday night, killing the West Bloomfield Township officer and sparking a 20-hour siege that ended with the suspect dead amid a weapons-strewn bedroom.

The Oakland County medical examiner's office said the 39-year-old O'Rourke died from a single gunshot to the head.

Coley's mother and brother made the call to police as they were helping him pack up to move back to North Carolina. Coley was in the middle of a divorce and was losing his home.

Patton said officers had been called to Coley's home about a month ago after family members said he was suicidal over his severe financial troubles. Patton said officers left confident that Coley was OK.

Fund established for O'Rourke family

Anyone interested in donating to the family can do so at any Bank of America to the "Officer Patrick O’Rourke Family Trust." Or, the community can make donations at www.westbloomfieldhero.com.

Patrick O'Rourke family Facebook page

Flags lowered in honor of fallen police officer

Gov. Rick Snyder has ordered U.S. flags within the Capitol complex in Lansing and at state buildings and facilities across Michigan be lowered to half-staff in honor of slain West Bloomfield Township police Officer Pat O'Rourke.

Flags will be flown at half-staff on Friday and returned to full-staff Saturday.