The man accused of killing Oceanside police officer Tony Zeppetella is an undocumented immigrant who was deported after serving time in jail for previous crimes, 10News reported.
Hundreds of people paid their last respects to Zeppetella, (pictured, left), during a memorial viewing Thursday
But now, questions are also coming up about why Adrian Camacho, the man accused of killing Zeppetella, was even in the country.
"Why wasn't he in custody? What was he doing in the United States?" questioned Capt. Reginald Grigsby of the Oceanside Police Department.
Grigsby and other officers with the OPD are wondering why Camacho was back in Oceanside.
"Camacho was a deported felon. He was deported from the United States. We do know he has en extensive criminal history and had several convictions," Grigsby said.
After one of those convictions Camacho, (pictured, right), had a formal deportation and was sent back to Mexico where he was born. Before being deported, Camacho had lived in the United States since he was an 11-month-old baby.
"Somewhere there was a let down, a break down in system. I think it's important for those agencies involved in process to go back to the drawing board and find out what transpired. Lets resolve it," Grigsby said.
The border patrol said agents caught Camacho trying to sneak back into the U.S. at least once. But they admit anyone who is fluent in English and has a wide knowledge of the border could easily find his way back without anyone noticing.
Camacho has had five previous convictions related to weapons and drugs. He was sent to prison in 1999 after pleading guilty to reckless driving while under the influence of drugs.
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