Law enforcement voices pushing for an assault weapons ban

The Police Executive Research Forum (PERF), a prominent law enforcement think tank, is calling for a ban on assault weapons as part of a comprehensive approach to counter gun violence. On Thursday, May 4 at 10:00 a.m. ET, join Washington Post Live for a conversation with PERF executive director Chuck Wexler and Los Angeles Police Chief Michel Moore about why they are pushing for an assault weapons ban.