Adrian Duane Johnson is a 29-year-old resident of Upper Marlboro, Maryland. On December 27, 2016 he was charged in the killing of Tricia McCauley.

On Decemeber 27, 2016 Adrian Duane Johnson was charged with first degree murder in the death of yoga instructor, actress, and herbalist Tricia McCauley. McCauley’s body was found in her car early Tuesday, and police said an autopsy showed he had strangled and sexually assaulted her.

Adrian Duane Johnson also robbed a CVS Health store and assaulted employees at the store.

Police found McCauley's body early Tuesday after they received a tip reporting a sighting of the 46-year-old woman's car around 21st and P streets NW, near Dupont Circle.

The caller said he had seen photos police had distributed of the car and the suspect.

Moments later and several blocks to the southwest, police saw the white car parked outside a CVS store, on the 2200 block of M Street NW.

Officers went inside the store and found Johnson.

Right away, he asked the officers if he could have a lawyer, the court documents say.

He said he had sex with the owner of the car and that she then hung herself inside the vehicle.

Later, he asked police, "If someone is suicidal and gives you all their stuff, is that illegal?"

Officers asked Johnson if he knew where the owner of the car was and he said, "She is in there" and motioned his head toward the car.

Police got the car keys from him and opened the car.

There, they found McCauley's body on the rear floor board, concealed by several items.

Her body was cold to the touch, and her legs were tied together with a seat belt, the documents say.

Johnson was arrested and found with several of McCauley's credit cards in his coat pocket.

Medical examiners found that McCauley had sexually related injuries, as well as wounds consistent with having been strangled.

Speaking with detectives at the D.C. police department's Homicide Branch, Johnson claimed he met McCauley on or about Christmas Day.

He claimed she offered to give him a ride in his car and then offered to have sex with him.

She then killed herself, he claimed.

He then drove her car throughout D.C. for hours and made purchases using her credit cards.

He said he then picked up a prostitute.

When police asked Johnson why he drove with McCauley's body in the car, he claimed he thought she was sleeping and might awake.

The murder suspect claimed that prior to McCauley's death, she told him he could have all her belongings, including her credit cards, money and car.

Johnson was held without bail.

He is due in court Jan. 13.

Police released a timeline showing known sightings of the suspect around the District on Dec. 26.

Newsham urged anyone who saw the man or the victim’s car to call police and help fill in missing details.

Now, police are asking for the public’s help if they have any information about the suspect or had seen something at the following times and locations on December 26:

One news report says Johnson has an "extensive criminal record."

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Adrian was arrested less than two weeks earlier and was on pre-trial release when Tricia McCauley was killed. Court documents show he was charged with theft after police say he stole four electric toothbrushes from the CVS store on the 3000 block of 14th Street NW, near the Columbia Heights Metro station.

Court documents ordered him to stay away from the store and to get a GPS monitor and a mental health evaluation, as ordered by a judge last week. It was not immediately clear whether he was issued the device or underwent the evaluation.