PACOIMA, TEXAS: A man wanted for shooting and killing his ex-girlfriend in front of their 3-year-old daughter took his own life while being chased by police, according to authorities. 46-year-old Herbert Nixon Flores shot himself as cops were approaching him, the Irving Police Department said in a statement. The police were helping in an investigation headed by the FBIâs Fugitive Task Force from LA at the time of the incident. Authorities had info that the man was visiting family in Irving and that police managed to locate him near Arlington. âWhile officers were monitoring the location, Flores was seen getting inside a vehicle and began traveling towards Dallas,â a press release said