Legal expert explains federal counterterrorism investigations after man charged in MOA attack plot

Federal prosecutors announced terrorism charges against an 18-year-old in the Twin Cities who they said had plans to commit a mass shooting at the Mall of America.

For additional context on this story, Minnesota Now spoke to Mark Osler who was an assistant U.S. attorney in Michigan in the late 1990s. He was also a former deputy Hennepin County attorney. Now, he’s a law professor at the University of St. Thomas.