KAILUA, HAWAII -- A shoplifting suspect has accused a Kailua police officer of raping her at a parking garage next to Longs Drugs in Kailua in the middle of the day last Friday.

The Honolulu Police Department has removed the accused officer's gun, badge and police powers, and he's the focus of an internal affairs investigation, an HPD spokeswoman said. The officer has not been charged with a crime.

The Kailua police officer, who has been on the force for four years, is accused of raping the 47-year-old woman in the second floor of the parking structure next to Longs Drugs Kailua.

A source said the woman was suspected of stealing a handbag or purse from Macy's Kailua last Friday at midday, right next to Longs.

Sources said three police officers arrived and spoke to the woman in front of Longs. The woman told investigators two officers left and the third officer took her into the parking structure and had her move her vehicle next to his blue-and- white police car.

A source said they ended up behind a wall in the parking structure, out of the view of security cameras. That's where the woman said he raped her in the front seat of her vehicle.

"I said, 'So what did he say?' She said he kept telling me, 'You're not going to tell anyone, are you?'" said the woman's aunt, who spoke to KITV 4 News Friday. KITV and most news organizations keep the names of rape victims private, so KITV is also not identifying the woman’s aunt.

She said since her niece had a brain aneurism in 1999, she has not been 100-percent sound mentally, making her attractive to a sexual predator.

"She's slow, so he would be able to take advantage of her," the woman’s aunt said.

The woman told her aunt the officer had a bunch of condoms on the floor of his police car.

"So if he has (condoms) there in the police car, he has done it before," her aunt said.

A witness told police he saw the male officer patting down the woman in this part of the Longs parking garage.

Investigators said that raises red flags because police usually prefer to search people in the open where there are plenty of witnesses, and police training recommends getting a woman officer to search a female suspect, or at least calling in a second officer to observe the search.

"What this man has done is wrong. He should be put in his place, put in jail, in prison," the woman’s aunt said. "In the meantime, she's sitting at home, deathly afraid because she's by herself. And she knows that he knows where she lives."

She said her niece called her case worker, who reported the rape allegation to police last Friday and took her to the Sex Abuse Treatment Center at Kapiolani Medical Center. The woman picked the officer out of a lineup at police headquarters later that day, her aunt said.

Police internal affairs detectives working on the case visited the scene in Kailua yesterday and spoke to witnesses, a source said. They have administered lie detector tests to both the accused officer and the woman who claims to be the victi, sources said.

Public records show the woman who reported the rape was convicted of misdemeanor theft last year and felony theft in 2009. Her aunt said the woman's mental problems have caused her to shoplift in the past. She also was found guilty of domestic abuse in 2001.

The officer has been reassigned to a desk job while he's under investigation, an HPD spokeswoman said.