DHS issues warning that copycat Uvalde attacks could be inspired by online forums
The Department of Homeland Security issued a terror threat bulletin warning that the recent massacre at a school in Uvalde, Texas, could inspire young users in online forums to attempt copycat attacks. Analysts note that six of the nine deadliest mass shootings in the U.S. were carried out by men under the age of 21. CBS News reporter Nicole Sganga has more.