London Bridge attacker had terror conviction but released early

The man accused of carrying out a deadly stabbing attack on London Bridge was known to British authorities for a 2010 terror plot that he had recently finished serving a jail sentence for. Jennifer Johnson reports on what we know about 28-year-old Usman Khan, the convicted terrorist now prompting calls in Britain for stricter jail terms.

• Britain to introduce tougher sentences for convicted terrorists
• Man who helped take down London Bridge attacker with narwhal tusk identified
• Early release of convicted terrorist under scrutiny after London Bridge attack