Grammys, manhunt for ex-cop extend LAPD shifts

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San Bernardino County Sheriff's officer Ken Owens searches a home for the former Los Angeles police officer Christopher Dorner in Big Bear Lake, Calif, Sunday, Feb. 10, 2013. The hunt for the former Los Angeles police officer suspected in three killings entered its fourth day in the snow-covered mountains on Sunday, a day after the police chief ordered a review of the disciplinary case that led to the fugitive's firing and new details emerged of the evidence he left behind. (AP Photo/Jae C. Hong)

IRVINE, Calif. (AP) — The ranks of the Los Angeles Police Department are stretched thin by the manhunt for an ex-cop wanted for three homicides and added security needed for Sunday night's Grammy Awards.

The department remains on tactical alert, which means officers are staying on duty beyond their shifts.

Officer Sara Faden says the alert was called on Sunday afternoon, before the nighttime Grammys, and it remains in place early Monday.

There's no word on the when the alert will be lifted.

Authorities say the LAPD needs the extra manpower as it hunts for fired officer Christopher Dorner and protects 50 families he allegedly threatened.

Faden says the department also must cope with everyday needs and calls for service.