LAKEWOOD, N.J. (AP/CBSNewYork) — Police signed murder charges Saturday against a 19-year-old man they accuse of fatally shooting a New Jersey police officer who had driven up beside him and started to question him.

A massive manhunt is under way for Jahmell W. Crockam, who is charged with killing Lakewood Patrolman Christopher Matlosz on Friday. Ocean County Prosecutor Marlene Lynch Ford said Crockam is known by the street name “Sav” — short for “Savage.”

A Superior Court Judge set bail for Crockam at $5 million cash once he is arrested. A reward for the suspect’s capture is now up to $117,000.

1010 WINS’ Steve Sandberg with more on the shooting

The 27 year-old officer was alone in his patrol car, a routine stop, sitting in his car, talking to a pedestrian, when, police said, that man pulled a gun out of his bagging clothing, and repeatedly fired at the officer, CBS 2’s John Slattery reported.

The officer, dying in the driver’s seat, was able to speak to police dispatch.

“Just a question and answer type of thing that the individual stepped back at one point and suddenly pulled out a handgun a weapon and shot the officer three times,” Ford said.

More than 100 local, county, state and federal officers completed a house-to-house search overnight in the neighborhood where the shooting occurred, at times barging into homes at gunpoint and ordering inhabitants to get on the floor.

Ford warned the public that Crockam is considered armed and dangerous.

WCBS 880’s Sean Adams speaks with friends of Officer Matlosz

“We have to assume he’s armed and he’s not disinclined to use that fatal, lethal weapon if he feels threatened,” she said.

A massive show of force was on display at Lakewood police headquarters, including a black armored vehicle similar to those used in war zones. Most officers were awash in body armor, clutching automatic weapons, police dogs at their side.

Even before the officer’s shooting, Crockam was being sought on illegal weapons charges. On Dec. 29, the prosecutor’s office obtained an arrest warrant for him on charges of possessing an illegal rifle and hollow-point bullets.

Authorities would not say what type of ammunition was used in the officer’s killing.

A murder weapon has not yet been recovered, Ford said.

A person who answered the telephone at Crockam’s parents’ house in Lakewood hung up when a reporter called Saturday afternoon seeking comment.

Officers were struggling with their emotions, grieving for their slain colleague while trying to remain focused on the task of catching his killer. Several officers at police headquarters worked deep into the night, their eyes red from crying, even as they coordinated strategy.

“Everyone is remaining professional,” said Capt. Thomas Hayes of the Ocean County Prosecutor’s Office. “This really is an intense investigation.”

Lakewood police Chief Robert Lawson said his officers are grieving while still doing their jobs, acknowledging the gut-wrenching nature of their task.

“It’s devastating,” he said. “We are a law enforcement family. This is like someone in your family being killed. All the officers are feeling it very deeply.”

A Facebook tribute page created to honor Matlosz had more than 1,000 followers by early Saturday afternoon. Some had changed their profile pictures to the Lakewood police crest adorned with a blue and black line, and some bore Matlosz’s badge number: 317.

Signs honoring the slain officer were printed and distributed around police headquarters. They showed a drawing of Matlosz’s badge, with the words “Rest In Peace Christopher Matlosz” and “End Of Watch 01-14-11.”

Officers covered parts of their badges in strips of black, in the traditional sign of mourning for a fallen comrade.

Matlosz had just transferred off the midnight shift a week ago. He was engaged to be married next year, and his fiancee rushed to the hospital where he died less than an hour after being shot.

She and Matlosz’s family asked through a spokesman that reporters respect their privacy.

The suspect was described as a black male in his early 20s or late teens, 5-foot-6 or 5-foot-7, stockily built with sunken eyes and puffy cheeks. He was wearing a black hoodie and dark jeans slung so low that gray boxer shorts were visible, according to a witness account to police.

Matlosz was conducting “a routine stop” of the suspect, chatting with him for a few minutes, Ford said, leading authorities to believe the two may have been acquainted with each other before the shooting.

“What was a routine stop, a routine conversation suddenly turned deadly,” she said.

While the suspect fled on foot, a neighbor called 911 just after 4 p.m. to report an officer down. Matlosz was rushed to Jersey Shore University Medical Center, where he died in the trauma unit. He is survived by his mother and a brother.

(TM and Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2011 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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