ALTOONA, Pennsylvania (AP) -- Police arrested a suspect Monday in the brazen Manhattan killing of UnitedHealthcare's CEO after a quick-thinking McDonald's customer in Pennsylvania spotted a man who officers found with a gun, mask and writings linking him to the ambush.
The chance sighting at the restaurant in Altoona led to a dramatic break in a challenging but fast-moving investigation that captivated the public in the five days since the shooting that shook the business world.
