Smirking mugshot of teacher gunman revealed after he wrote unhinged manifesto moments before shooting at Trump dinner

THE smirking mugshot of the suspected Washington gunman has been revealed following the high-security scare targeting Trump administration officials. Cole Tomas Allen, 31, appears to have a slight grin in the stark government-issued photo obtained by NBC News as the investigation intensifies. Allen is accused of lying in wait before carrying out a calculated approach...