Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

In an interview with "60 Minutes," Tyler Hamilton says he witnessed Lance Armstrong inject banned substances.
In an interview with "60 Minutes," Tyler Hamilton says he witnessed Lance Armstrong inject banned substances.

    JUST WATCHED

    2011: Armstrong teammate speaks out

MUST WATCH

2011: Armstrong teammate speaks out

In an interview with "60 Minutes," Tyler Hamilton says he witnessed Lance Armstrong inject banned substances.

2011: Armstrong teammate speaks out

In an interview with "60 Minutes," Tyler Hamilton says he witnessed Lance Armstrong inject banned substances.