 A 2006 Sun-Times article reports that gangs encourage members to enter the military to learn urban warfare techniques to teach other gang members.A January 2007 article in the "Chicago Sun-Times" reported that gang members in the military are involved in the theft and sale of military weapons, ammunition, and equipment, including body armor.The "Sun-Times" began investigating the gang activity in the military after receiving photos of gang graffiti showing up in Iraq.