OKINAWA CITY, Okinawa — A U.S. civilian employee who Okinawa police say is suspected of raping an Okinawa woman in August remained in their custody Monday while the Naha District Public Prosecutor’s Office investigates.

Dag Allen Thompson, 34, an Army and Air Force Exchange Service car salesman on Kadena Air Base, is accused of sneaking into the home of a Japanese woman in her 20s and raping her. He was taken into custody Friday.

“The case is still under investigation,” a spokesman for the prosecutor’s office said Monday. Meanwhile, Okinawa police searched Thompson’s home in Nakaima district of Naha on Sunday and confiscated evidence in connection with the incident, according to a police release.

A police report in August said that a Caucasian male entered the woman’s home in Chatan through an unlocked front door and raped her around 1:50 a.m. Aug. 22. The woman told police then that she had left the door unlocked for a family member.

The police officer Monday said that the woman does not know Thompson. Thompson denies both entering the home and attacking the woman, police said.

The victim told police in August that she saw her assailant’s face from the light on her cell phone, which happened to ring.

Police drew a sketch from the woman’s descriptions: a white male, about in his 40s, with curly, brown hair.

“The sketch and following intensive investigation led to identify the suspect,” the police spokesman said. However, citing a need to protect witnesses and people who provided police with information, he gave no details on how they determined Thompson was a suspect. Police earlier said they were working with the military.

According to a police report, Thompson is a former Marine, assigned to Camp Kinser until 1994, when he left the service. He went back to the United States the following year but returned to Okinawa in 1998, police said.

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