1 dead, 5 injured in shooting during vigil for gun violence victim  WFLA

Suspect in Orange mass shooting was barred from buying gun  FOX 11 Los Angeles

Gun shop owners see surge in sales, as mass shooting spike across the US  WHP Harrisburg

Perlmutter wants more regulations for type of gun used in Boulder shooting  9News.com KUSA

Man indicted on charges of shooting two men who responded to online gun sale  WATN – Local 24

Longmont residents host vigil, call for gun reform in wake of Monday mass shooting in Boulder  Longmont Times-Call

Police: Woman Threatened Troopers With Gun Before Shooting  U.S. News & World Report

Colorado man denied gun purchase in Iowa after comments about Boulder shooting, per affidavit  The Denver Channel

OPINION: How to loosen gun laws after a mass shooting  Atlanta Journal Constitution