Donald Trump Jr. and a Texas lawmaker are floating a new conspiracy theory claiming the Federal Bureau of Investigation will corrupt its own investigation into Thomas Crooks’ assassination attempt against the presumptive Republican nominee. Rep. Lance Gooden (R-TX) claimed Monday that the FBI could not be trusted to investigate the attempted attack on former President Donald in an X message read nearly 350,000 times in under two hours. “My constituents are deeply concerned with the FBI conducting the sole investigation into the attempted assassination of President Trump,” Gooden wrote. “They d…