American investment monolith BlackRock has removed a 2022 advert that includes images of Donald Trump's would-be assassin Thomas Matthew Crooks. Crooks, 20, was killed by a Secret Service sniper after he opened fire at a Trump campaign rally near Butler, Pennsylvania on Saturday, injuring the former president and two others, and killing one person. But before he became an attempted-murderer, he was a quiet, lonely student at a nearby high-school who starred in a TV ad run by the corporation....