The Dallas Cowboys player charged in the death of practice-squad player Jerry Brown Jr. failed several sobriety tests after the crash, according to police documents obtained by NBC 5.
Nose tackle Josh Brent was at the wheel of a car that overturned on the State Highway 114 service road near Cistercian Road at about 2 a.m. Saturday.
Brown died of accidental causes from blunt force trauma to the head and neck, the Dallas County medical examiner said Monday.
Police are still working on the official police report about the crash. According to documents provided by an Irving police source, Brown was given several tests, including the "walk and turn."
The documents outline several ways that Brown failed, including not maintaining his balance during the instructional stage, starting too soon and stopping while walking in order to regain his balance.
The documents go on to say that Brown was given the one-leg stand, which he also failed by putting one foot down, using his arms for balance and swaying.
The officer deemed Brown had a "large quantity of alcohol in his system," the documents state.
Irving police said Monday that they are preparing a timeline of what led to the fatal crash. Investigators say a timeline will help determine whether a bartender could be partly to blame in the crash for over-serving Brent.
Irving police spokesman Officer John Argumaniz said investigators are working with agents from the Texas Alcoholic Beverage Commission, which enforces liquor laws.
"They'll look for any videos or any receipts or anything that they may be provided to try to trace where these people were prior to the incident," he said.
Police are also investigating why incorrect information about the crash location was initially provided to the media.
In the first few hours after the crash, police told NBC 5 and other media outlets that the crash occurred at 600 Cowboys Parkway.
The correct address on Highway 114 was provided long after Brent's 2007 Mercedes was removed from the scene and he was in jail.
Argumaniz said Irving police are reviewing telephone call recordings and talking with dispatchers about the location information.
The Dallas Morning News reported Monday that a witness claims to have been at the scene shortly after the crash and heard Brown calling for help and says that Brent did not respond.
Milner told the newspaper that the witness' claim is untrue.
According to an affidavit for determination of probable cause that Dallas police released Sunday, the responding officers saw Brent pulling Brown from the burning vehicle when they arrived at the crash scene. That information is also in the documents obtained Monday by NBC 5.
"Everybody that's there said that -- he pulled him out," said George Milner, Brent's attorney. "Once the vehicle caught fire, he pulled his friend out of the vehicle to help him. He kept trying to talk to him."
Media representatives were not at the crash to independently verify what happened.
Brent, who is charged with intoxication manslaughter, was released from the Irving Jail on a $500,000 bond Sunday.
When Brent left jail, Milner said his client was devastated by what happened to his best friend.
"It's a horrible thing," he said. "If you understand how close they are, it's like, he got in a car accident and his little brother got killed."
A memorial for Brown will be held at 1 p.m. Tuesday at Oak Cliff Bible Fellowship in Dallas.