Gustavo Marquez is a resident of Colorado Springs, Colorado. ^[0]

He is a member of the Suenos gang.

On Facebook, he goes by "Tavo". Gustavo attended Ridgeview Charter School and later Mitchell High School. ^{[0] [3]}

He is a legal United States citizen. ^[0]

On March 19, 2017, Gustavo was arrested in connection to the murders of Natalie Partida and Derek Benjamin Greer. ^{[1] [0]}

He was booked for two counts of each first degree murder, kidnapping, aggravated robbery and child abuse resulting in death. ^{[1] [0]}

In February 2017, Marquez was charged for kidnapping, assault, and child abuse. ^[0]