By Lookout Staff

August 2, 2010 -- A 61-year-old woman was stabbed to death at a home for the mentally ill in Santa Monica's Pico Neighborhood Saturday morning.

Police arrested Rigoberto Ruiz, a 55-year-old Hispanic man and a resident of The Manor, a residential facility for mentally ill and developmentally disabled adults at 1905 Pico Boulevard.

Both Ruiz and the victim were residents of the facility, which has been operating since the 1960s.

Ruiz was arrested without incident and booked for murder and probation violation, according to police. He is not eligible for bail.

The victim was dead when police arrived at 8:03 a.m. in response to an unknown trouble call, said Jay Trisler, the Police Department spokesman.

The killing marks the first homicide in Santa Monica this year, police said.

Anyone with information related to this crime should call Sgt. Robert Almada at (310) 458-8486 or Investigator Dan Larios at (310) 458-8937 or the Santa Monica Police Department (24 hours) at (310) 458-8495.

Those wishing to remain anonymous can call WeTip at 1-800-78-CRIME (1-800-78-27463), or submit the tip online at www.wetip.com. Callers may be eligible for a reward of up to $1,000 if the information leads to an arrest and conviction.

Callers can also contact Crime Stoppers by either calling (800) 222-TIPS, texting from a mobile, or by visiting their website at www.lacrimestoppers.org. Callers may remain anonymous and may be qualified to receive a $1,000.00 reward by Crime Stoppers.