SAN ANTONIO \u2013 A veteran of the San Antonio Police Department has been arrested for an off-duty incident that happened in late September, police said.<\/p>\n
Officer Mark Castillo was arrested on suspicion of aggravated assault with a deadly weapon, police said.<\/p>\n
An arrest warrant obtained by KSAT Investigates states Castillo had an altercation with a man over a parking dispute at the Shops at La Cantera.<\/p>\n
The affidavit states Castillo pulled out a gun, fired at the direction of the victim, shattering the car\u2019s rear window. <\/p>\n
>>READ MORE: SAPD identifies officer who shot, critically injured suspected thief twice on North Side<\/a><\/p>\n Police said Castillo has been placed on administrative duty. <\/p>\n He has 25 years of service with the department\u2019s patrol division. Previously, he served on former Chief William McManus\u2019 security detail.<\/p>\n A KSAT Investigates report from 2024<\/a> revealed he sent sexually explicit text messages to a woman while on the clock.<\/p>\n In May 2025, he shot a man<\/a>, later identified as Sheldon Malachi Butts, outside a restaurant on the North Side after he charged at Castillo, records show.<\/p>\n Affidavit: Castillo fired gun during altercation with DoorDash driver at La Cantera<\/p>\n According to the affidavit, a DoorDash driver told investigators that a man, later identified as Castillo, approached him about parking at the Shops at La Cantera, leading to an argument.<\/p>\n Castillo allegedly lifted his shirt, showing his gun on his waistband, the affidavit states.<\/p>\n The affidavit states Castillo removed the gun from his waistband, pointed it down, and asked: \u201cWhat do you want to do?\u201d <\/p>\n Nearby witnesses helped separate the two, the affidavit states.<\/p>\n After the driver finished his delivery, he said Castillo approached him again, and the two had another altercation.<\/p>\n The driver told investigators he attempted to leave and take a picture of Castillo\u2019s license plate when Castillo allegedly fired his gun, shooting out the back window of the driver\u2019s vehicle.<\/p>\n Investigators used surveillance footage to help identify Castillo after he left the scene, according to the affidavit.<\/p>\n In an interview with police, Castillo acknowledged being involved in the altercation but said he only displayed his weapon and punched out the vehicle\u2019s back window.<\/p>\n Investigators also reviewed video recorded by a witness that allegedly shows Castillo raising his gun before the sound of a gunshot is heard, according to the affidavit.<\/p>\n Castillo previously investigated over explicit texts<\/p>\n