A woman shot to death by an 80-year-old Long Beach homeowner during a botched robbery attempt this week was not pregnant as she had claimed moments before she was killed, the Los Angeles County Coroner’s office said Friday.

Homeowner Tom Greer told KNBC Channel 4 on Wednesday night that he shot Andrea Miller twice in the back as she was fleeing with a male accomplice, even though she said she was having a baby.

“I shot her anyway,” Greer said, appearing to have no regret.

The DA is still reviewing whether to charge Greer with any crime, and police have only said they are continuing to investigate and would take Greer’s comments into consideration.

Meanwhile, officials from the District Attorney’s Office said Friday they filed charges against Miller’s alleged accomplice, Gus Adams, 26, of Long Beach, who was arrested Wednesday on suspicion of murder for Miller’s death. He faces four other felony charges, including residential robbery of Greer’s Los Cerritos home, and a special allegation of elder abuse for assaulting Greer.

And police announced late Friday they have also arrested Adams’ mother, Ruby Adams, 49, of Long Beach, on suspicion of robbery — though it was not clear what role she played in the Tuesday night robbery. Police said they expect the DA to file charges against her on Monday.

The DA did not comment Friday on the rationale for the murder charge against Gus Adams, but Long Beach police Chief Jim McDonnell said Thursday that because Adams was involved in the commission of a felony, he is a party to Miller’s death.

Adams is being held at Los Angeles County Jail in lieu of $1.1 million bail, authorities said. He was scheduled to be arraigned Friday, but that hearing was postponed to Aug. 11.

Adams and Miller, 28, had prior criminal records consisting mostly of minor offenses — though none for residential burglary. The DA’s office said Adams had two prior convictions for possession of a controlled substance in 2011 and petty theft with three prior convictions in 2012.

Records show Miller had convictions for various driving violations and one for grand theft.

According to McDonnell, Greer told investigators he arrived at his home in the 3900 block of Country Club Drive about 9 p.m. Tuesday. He parked his car, went inside and was immediately assaulted by a man and a woman who were in the process of burglarizing his house.

“When I went in there, they tackled me,” Greer told Channel 4. “Both of them jumped up on top of me.”

Greer was hit a number of times by the pair and thrown to the floor, McDonnell said. Miller allegedly continued to beat him while Adams tried to break into Greer’s safe. Miller eventually stopped hitting Greer and joined Adams in trying to break into the safe.

Meanwhile, Greer managed to go to another room and retrieve a gun. He then confronted the robbers while they were still inside the home and opened fire but did not hit anyone. Miller and Adams then grabbed some items and fled the home, McDonnell said.

Greer followed the pair outside and fired at them again. Miller was hit by the gunfire, fell in the alley and died there, but Adams managed to escape.

McDonnell said Greer suffered a broken collarbone and cuts and bruises.

Greer told detectives that he was the victim of two reported and one unreported prior burglaries to his home, where cash and other personal property was taken. Greer also said he believed Miller and Adams were responsible for the earlier robberies and might return in the future.

Greer told Channel 4 he regards what he did as self-defense, even though Miller was running away.

In addition to murder, Adams was charged with first-degree residential robbery, first-degree residential burglary, grand theft with a firearm and possession of a firearm by a felon. If convicted on all charges, he faces life in prison.

Anyone with information regarding this investigation was asked to call LBPD Homicide Detectives Mark McGuire and Greg Krabbe at 562-570-7244.