[11] San Antonio Police Chief William McManus compared the killing to the recent mass shootings in Dallas, Texas, and Baton Rouge, Louisiana.
[12] He was arrested on the day following the shooting, after a massive manhunt, while riding in a car owned by his wife, Christian Chanel Fields, with an unidentified woman and a child sitting inside, on Interstate 10.
[17] While being escorted out of the police station to be taken to Bexar County Jail, he claimed to reporters that he had been upset at the court system for not allowing him to see his son, and also issued an apology to Marconi's family.
After the verdict was announced, McKane removed his tie, unbuttoned and untucked his shirt and struck a bailiff attempting to handcuff him in the face with his elbow before being tackled out of the courtroom by several other deputies.
[22] Governor Greg Abbott condemned the killing and proclaimed that "attacks against law enforcement officers will not be tolerated in Texas and must be met with swift justice."
Mayor Ivy Taylor also condemned the killing, called for patience in the ongoing investigation, and extended her condolences to Marconi's family.
[24] On the day after the shooting, Governor Abbott urged the Texas Legislature to pass his proposed Police Protection Act, which would classify attacks against law enforcement officers as hate crimes.
The act received support from James Pasco, executive producer of the Fraternal Order of Police, who also expressed concern about the San Antonio killing and the three other shootings in Missouri and Florida, and blamed the erosion of trust in law enforcement on politicians, activists, and the media.