crxzUiFT4qUDerrick Broze Talks Stingray Cellphone Surveillance on Reasonable Doubt Derrick Broze March 2, 2015 6042 Text to Audio Player Derrick Broze was recently a guest on the Harris County Criminal Lawyer Association’s public access television show “Reasonable Doubt” to discuss the Houston Police Department’s use of Stingray cellphone technology. Derrick comes on about 11 minutes in to the show.