New pending charges in Tamir Rice shooting06:36
Lawrence talks to Dean Valore, law professor at Cleveland State University, and Joy Reid about the Cleveland city councilman who tweeted he'll ask for negligent homicide charges against the officers in the Tamir Rice case.
Matthews: On 1 year anniversary of Parkland, Trump has done nothing on guns01:13
One year after Parkland: New gun restrictions on the state level05:46
One year later, remembering Parkland — Has anything changed?02:32
There have been 1,200 young gun violence victims since Parkland05:11
Why gun reform laws are personal for one representative10:19
House Judiciary passes first major gun violence bill in decades01:17