LAGUNA NIGUEL ( — Authorities say a transient accused of physically attacking a real estate agent in Laguna Niguel has been arrested on criminal charges.

The incident happened about 1 p.m. Saturday, as the 55-year-old woman attempted to access a lock box of a Laguna Niguel home on Paseo del Campo.

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According to the Orange County Sheriff’s Department (OCSD), John Thomas Glenn of Laguna Niguel allegedly placed the woman in a chokehold and punched her repeatedly.

CBS2’s Greg Mills reported the victim was knocked unconscious.

According to deputies, Glenn then fled the immediate area on foot but became involved in a second physical altercation with a resident.

Ground and aerials searches ensued; however, the suspect was not located.

Deputies said Glenn was subsequently arrested after investigators collected evidence that assisted them in identifying him.

“Following the arrest of Glenn, he indicated to investigators that he was under the influence of drugs and was attempting to gain entry into the home to commit a theft,” the OCSD said in a written statement. “Investigators believe this was a crime of opportunity and not directed at the victim as a result of her being a real estate agent.”

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Glenn, 23,  was booked into Orange County Jail on suspicion of attempted robbery and assault with a deadly weapon. He was being held in lieu of $50,000 bail.

Mills spoke to Janet DePerry, a well-known real estate agent, who said the incident will make her even more careful than usual.

“We’re not safe anymore,” she said, “This is not Mayberry.”

Meryl Jacobson, who was golfing on the course behind the home where the attack took place, heard the commotion.

“That poor woman,” Jacobson said, “she was screaming, screaming, screaming.”

Two construction workers also heard the assault and gave chase.

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Anyone with more information about this case was asked to call the Orange County Sheriff’s Department at (714) 647-7000.