A northwest Harris County welfare check quickly turned into an alleged kidnapping investigation after authorities said a captive escaped from a home, leading to a new felony charge against Houston’s Cartel Bo. Ad 0:00 Click for sound 0:00 / 0:00The authorities have accused him of aggravated kidnapping in a case that began with an alleged captive escaping from a northwest Harris County home. Sign up for exclusivesThe Special Victims Unit launched an investigation that identified Cartel Bo as the suspect. Authorities said Warren Brown III, Bo’s real name, was already being held in the Harris County Jail on separate assault and continuous family violence warrants when investigators filed the additional aggravated kidnapping charge. Authorities have not indicated whether the aggravated kidnapping case is connected to any of Brown’s previous legal matters or public disputes.