This article is more than 5 years old

This article is more than 5 years old

Texas police on Sunday were trying to figure out what prompted a black teenager to drive his car into a car dealership, and why a white police officer still in training shot the unarmed 19-year-old four times.

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Christian Taylor became the latest unarmed black man to die at the hands of a white police officer after officials said he was seen on security surveillance tape vandalising cars at an auto dealership in Arlington.

Taylor was shot four times by Arlington police officer Brad Miller, 49, who was still undergoing training, police chief Will Johnson said on Saturday. The Tarrant County Medical Examiner’s Office found Taylor had gunshot wounds to the neck, chest and abdomen.

Johnson did not explain what led to what he described as a confrontation inside the car dealership building, which led Miller to open fire on Taylor while a second police officer used a Taser. The officers were not wearing body cameras.

Taylor’s brother Joshua, 23, said the family wanted details of what happened, calling the information from the police “blurry”.

Facebook Twitter Pinterest Friends and family gather at a candlelight vigil for Christian Taylor at Koinonia Christian Church in Texas. Taylor, a 19-year-old black man, was fatally shot by an Arlington police officer. Photograph: Brandon Wade/Rex Shutterstock

“Until we get concrete facts, we won’t know what happened,” Joshua Taylor told Reuters in a phone interview. “He was a really good guy. He was family oriented. He was an A student and had he everything going for him.”

Taylor added that his brother had “recently given his life to God”.

“He was happy, everything was great. He was trying to touch people’s lives,” Joshua Taylor said.

His father Adrian Taylor said he had no idea what led Christian, a college football player at Angelo State University, to smash a car though the window of the dealership on Friday.

“You know, it could have been too much drinking. He could have been wrong place at the wrong time,” Adrian Taylor told the CBS Dallas TV affiliate, CBS 11.

Taylor’s death came just before the one-year anniversary of the fatal shooting of teenager Michael Brown at the hands of a white officer in Ferguson, Missouri, that ignited protests across US cities.

Comments about police violence appeared on a Twitter account appearing to belong to Christian Taylor. “Police taking black lives as easy as flippin a coin, with no consequences smh,” said one message posted in December, using the acronym for “shaking my head”.

More recently, the Twitter feed had posts about God and personal change. “Never believe in fear again. Yall have seen my change … I’m a whole new person,” one post said.

Miller was placed on leave after the shooting and Johnson said he had asked the FBI to help investigate Taylor’s death. The FBI could not be reached for comment on Sunday

The two police officers were responding to a call from a security company on Friday about a burglary at the dealership in Arlington. Edited portions of security surveillance video released to the media showed Taylor jumping on top of cars parked outside the dealership and attempting to stomp out a front windshield. The footage did not show the shooting or the moments leading up to it.

Johnson said that when the officers arrived they found Taylor had driven a vehicle into the front of the building. He ran to another part of the building, Johnson said, where he tried to escape through a locked door.

The Fort Worth Star-Telegram reported that Taylor was sentenced to six months deferred-adjudication probation in December, for unauthorised possession of prescription painkillers.

Joshua Taylor described the incident as “normal teenage stuff” and said Christian had “turned his life around”.