The parents of a woman killed during the Colorado theater shooting two years ago are suing four online retailers for negligence . The websites sold James Holmes the ammunition , body armor , tear gas and other equipment used when he opened fired in a packed Aurora movie theater during a July 2012 midnight showing of the Batman film `` The Dark Knight Rises . '' The Brady Center to Prevent Gun Violence filed the lawsuit on behalf of Sandy and Lonnie Phillips , whose daughter Jessica Ghawi was shot and killed in the attack that left 12 dead and dozens wounded . The lawsuit alleges that Lucky Gunner , the Sportman 's Guide , BulletProofBodyArmorHQ.com and BTP Arms negligently supplied Holmes . `` A crazed , homicidal killer should not be able to amass a military arsenal , without showing his face or answering a single question , with the simple click of a mouse , '' said a statement released by the Brady Center . `` If businesses choose to sell military-grade equipment online , they must screen purchasers to prevent arming people like James Holmes . '' The lawsuit says Lucky Gunner sold Holmes 4,000 rounds of ammunition . The Sportman 's Guide allegedly sold Holmes a 100-round drum ammunition magazine and 700 rounds . The other vendors are said to have provided the other equipment used by Holmes . `` Two years ago when our daughter Jessica was murdered , and we first heard the details of the massacre , I asked my husband : 'How can anyone order over 4,000 rounds of ammunition without raising any red flags ? Why were n't any questions asked of the person who bought all of this ammunition ? '' said Sandy Phillips . `` As gun owners , parents , and citizens of this country , we hope that our lawsuit will spare other families the tragedy that we have gone through after the death of our beautiful daughter . '' Remembering the victims . Trial on hold . Holmes ' trail was scheduled to begin in October , but has been delayed . A psychiatrist conducting a second sanity examination on Holmes asked for more time to complete the examination , according to a judge 's order from Arapahoe County District Court made public over the summer . He has pleaded not guilty by reason of insanity to the 166 charges he faces in connection with the rampage . This is the third time the trial has been delayed . It was originally set to begin in August 2013 but was pushed back to February . That date was then delayed until October , which has now been postponed . Background of Colorado shooting suspect full of contrasts . 2013 : Defense team says Holmes committed Colorado theater shooting .
The prosecution alleges the online retailer negligently supplied the shooter . He had purchased thousands of rounds of ammunition . The July 2012 shooting killed 12 people . No trial date has been set . It has been reported three times .