HOUSTON – A man accused of killing a Houston police sergeant during a shootout along the North Freeway on Nov. 9, 2020, has posted bond, according to multiple sources. Robert Soliz, 24, was arrested during a traffic stop along Interstate 10 Katy Freeway a day after the fatal shooting. Sean Rios, 47, a 25-year veteran of the Houston Police Department. The chief said Rios was on his way to work when the shootout happened. AdREAD: Houston police sergeant killed during shootout along North Freeway, chief saysCourt Records show Soliz has been arrested numerous times, dating back to 2014.