Trump gunman flew drone over scene hours before assassination attempt
![Trump gunman flew drone over scene hours before assassination attempt](https://i2-prod.mirror.co.uk/incoming/article33287537.ece/ALTERNATES/s615/0_Crooks.jpg)
Thomas Matthew Crooks, 20, used a pre-programmed flight path to survey the ground in Butler, Pennsylvania, ahead of Trump’s arrival
Thomas Matthew Crooks, 20, used a pre-programmed flight path to survey the ground in Butler, Pennsylvania, ahead of Trump’s arrival