#SecretService Director Kimberly Cheatle just resigned over Trump shooting outrage.
ICYMI we spoke with a former FBI and Department of Homeland Security official, to better understand the security failures that the assassination attempt exposes:
Trump assassination attempt reveals a major security breakdown – but doesn’t necessarily heighten the risk for political violence, a former FBI official explains
Lone wolf attackers like Matthew Thomas Crooks pose the greatest security threats in the country – and are hardest to prevent.The Conversation