This day in history:
Nguyen Van Lem, a member of the Vietcong, is executed in the streets of Saigon by South Vietnamese Police Chief General Nguyen Ngoc Loan, two days into the Tet Offensive.
The execution is caught on film by photojournalist Eddie Adams and becomes one of the most controversial and memorable moments of the Vietnam War.
February 1, 1968 - 44 years ago today.