FBI official says evidence found on the suspect and in his car indicated a ‘potential nexus to terrorism’ Sign up for the Breaking News US email to get newsletter alerts in your inbox FBI official says evidence found on the suspect and in his car indicated a ‘potential nexus to terrorism’ Sign up for the Breaking News US email to get newsletter alerts in your inbox The FBI ’s joint terrorism taskforce has been called in to help investigate a deadly mass shooting in downtown Austin, Texas , on