KATY, Texas (KTRK) -- A reward of up to $30,000 is being offered for any information that may lead to an arrest in the murder of a 19-year-old man in the Katy area. Deputies believe it may have been a road rage attack.
Cody Johnson was shot and killed one week ago along the I-10 Katy Freeway service road near the SH-99 Grand Parkway.
ORIGINAL REPORT: Man killed in Katy Freeway shooting, Harris County Sheriff's Office suspects road rage
On Friday morning, the Harris County Sheriff's Office Homicide Unit held a press conference with Johnson's family. They're looking for any information from the public that could lead to a suspect/suspects.
During the press conference, Crime Stoppers announced a reward of up to $30,000. Anonymous tips can be submitted to Crime Stoppers by calling 713-222-TIPS or online at crime-stoppers.org.
On Friday, Sept. 27 around 8 p.m., officials said a passerby reported Johnson's car rolling slowly down the westbound lanes of the road. When deputies arrived at the scene, they found the 19-year-old dead inside.
No witnesses have come forward, which is why Johnson's parents and Crime Stoppers shared photos of their son's 2011 black Chevy Camaro with gold rims. They believe it's memorable, and said since the shooting happened in a busy area, it's likely somebody saw something.
SEE ALSO: Parents demand justice after 19-year-old was killed in suspected road rage shooting on Katy Fwy
His dad said the car was loud, and that if anyone saw it driving down the road, they'd notice it.
Johnson's parents describe their son as a "good kid." They told ABC13 the former student-athlete was "just getting his life back" after a horrific motorcycle crash over the summer prevented him from starting at Texas State. Johnson was well enough to begin working this week as a car salesman when he was killed inside his own vehicle. Now, they just want closure.
"Just please, as parents, we just want answers about our son and any leads, anything. Any dash cam [videos]. Anybody who saw anything around that area that night, if you could just reach out to Harris County Crime Stoppers just to help us have closure. We don't want to let these people get anybody else, do this to anybody else," Cody's mother, Amy Juneau, said.
"It isn't clear why Cody was shot. Cody did not have any known enemies, was not in any known altercations, and was about to start his college career," Harris County Sheriff Ed Gonzalez said.
He said detectives have been digging for surveillance video in the area. They are asking for anyone with in-car cameras, like rideshare drivers, to review their video footage from Sept. 27.
"Every piece of information can be critical. Like I said, if you saw anyone racing down the freeway or brake checking or anything happening like that, we want to know about it," Gonzalez said.
Aside from anonymously submitting a tip to Crime Stoppers, anyone with information can also contact the HCSO Homicide Unit at 713-274-9100.
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