Trump shooter Thomas Crooks seen at rally with rangefinder just three hours before he opened fire
![Trump shooter Thomas Crooks seen at rally with rangefinder just three hours before he opened fire](https://i2-prod.irishstar.com/incoming/article33267407.ece/ALTERNATES/s615/0_CROOKS-PIC.jpg)
Thomas Crooks, who shot at former President Donald Trump and killed one of his supporters, was seen with at the rally with a rangefinder at the event in Pennsylvania hours before he opened fire