Jason Frank Vazquez was taken into custody on unrelated charges Monday night. In November, the Houston Police Department asked for the public's help to find Vazquez. Vazquez hasn't been charged, but investigators are hoping to speak with him.
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READ MORE: Houston police officer killed in north Houston is 2nd officer killed in 3 weeks
According to Houston police, surveillance video from the scene showed Vazquez engaged in a conversation with 24-year-old Robert Soliz, who is accused of shooting and killing Sgt. Sean Rios in a gun battle.
READ MORE: Who is Sgt. Sean Rios? HPD veteran killed near North Fwy leaves behind 4 kids
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In the video, Vazquez is seen standing next to a black pickup truck. The video later shows the truck driving off.
Vazquez is in the Harris County Jail charged with DWI charges from last year.
Rios' death was the seventh murder to have taken place in the city of Houston on Monday. It is also the second Houston police officer killed in three weeks, and the fourth Houston police officer killed in 12 months.
The video above is from a previous story.