Ruby Adams, the mother of Gus Adams, was also arrested in connection with a deadly home-invasion robbery in the Bixby Knolls area. (Credit: Long Beach Police Department)

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The mother of a man who was allegedly involved in a home-invasion robbery that turned deadly has been charged in connection with the incident, the Los Angeles County District Attorney’s Office announced on Monday.

Ruby Adams was suspected of serving as the lookout in a botched robbery that left her son’s accomplice dead, prosecutors said.

Gus Adams, 26, and Andrea Miller, 28, allegedly broke into the home of 80-year-old Tom Greer last Tuesday night, according to the Long Beach Police Department. Greer told officers he came back to his residence to find the pair burglarizing his house.

The elderly homeowner said that after the pair beat him, he got a gun and shot at them, according to police.

Miller was hit by gunfire and killed. Adams initially fled the scene, but was later arrested.

His mother was also taken into custody two days later.

Ruby Adams has been charged with first-degree residential burglary and first-degree residential robbery, a news release from the DA’s office stated.

If convicted on the charges, she faces up to seven years in state prison.