Daniel Aston, Kelly Loving, Ashley Paugh, Derrick Rump and Raymond Green Vance were shot and killed at the Club Q nightclub in Colorado Springs one year ago.
Allen's office did not reveal to the DCNF why he failed to pursue formal charges against the Colorado Springs mass shooting suspect in a case last year.
Aishly Corrigan-Snider, vice-president of the Great Falls LGBTQ Center, said that although the shooting happened several states away, it still hits close to home for many here