As the search continues for the teen's killer, Houston police have released a new video showing the suspected gunman's vehicle in the streets of downtown Houston.
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According to police, the vehicle is 2011-2013, white, four-door Buick LaCrosse CXL premium with round fog lights and 7-spoke rims.
SEE ALSO: Dad to wanted gunman: Does hand gesture 'require you to execute' my son?
One video from police showed the suspect's vehicle on Rusk and Chartres, while a second angle showed him driving through the intersection of Chartres and Commerce.
Paul Castro and his two sons were leaving the Astros game on July 6 when they encountered the suspect on Chartres near Preston, police said.
RELATED: 17-year-old dies after being shot in the head while driving home from Astros game
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Teen on life support after being shot in head on I-10, HPD says
The father said the driver tried to get in front of him in traffic.
"This guy, he was so close to me that he was almost chipping the paint on my truck," Paul recalled. "I kept moving forward and that's when he leaned out [of his car,] I was like, 'I've already let three people in.' That's my hand gesture. That hand gesture got my son executed and that's not fair."
The suspect followed the family onto I-10 East and took the Wayside exit along with them. Detectives said the man fired several times at the Castro family's truck as they made a U-turn under the East Freeway. He continued following them onto I-10 headed west but veered away at some point.
Paul's son, 17-year-old David Castro, was shot in the head. The father and his other son were not injured. David died just a few days after he was put on life support following the shooting.
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A sketch of the suspect was released by detectives. He is being described as a Black man or a Hispanic man with a darker complexion. Investigators said he stands at about 5 feet 8 inches or 5 feet 10 inches and is in his 20s or early 30s.
SEE ALSO: Father donates teenage son's organs after deadly road rage shooting
Ahead of Tuesday's Astros game against the Cleveland Indians, Paul, who is a school superintendent, and his students are getting together to perform acts of kindness in David's honor.
The family continues asking for anyone with information about the suspect or the encounter to come forward. Last week, Mayor Sylvester Turner announced the reward to capture David's suspected killer went up by $5,000 to $10,000.
Anyone with information about the shooting is asked to contact HPD Major Assaults of Crime Stoppers at (713)-222-TIPS.