observation for three days at a mental health treatment facility. tom. stephanie, thank you. we turn now to the massacre in illinois. police releasing this image of the alleged gunman gary martin. they say he brought his weapon to the meeting at the aurora office, opening fire at the meeting, killing five coworkers and injuring five others. and police saying tonight, he wasn t supposed to be in possession of a firearm, that a background check failed. what we re learning now about the victims, the intern on his first day of work at that plant. abc s zachary kiesch is on the scene. reporter: an illinois community is in anguish tonight as we re learning new details about this senseless workplace shooting that left five dead plus the gunman. police say it all began around 1:30, friday afternoon. aurora has an active shooter situation. one officer is reported down at this time, active shots being fired. reporter: when 45-year-old gary martin, a longtime employee, was called into a
my understanding from the witnesses is that he opened fire right after the termination. reporter: police say he likely knew he was losing his job. pulling out a smith and wesson handgun outfitted with a laser and in five minutes terrorizing the factory, a staple in this chicago suburb for years. police rushing to the factory, taking on almost immediate gunfire. five officers hit. all of the officers injuries are considered non-life threatening. reporter: authorities eventually pinning martin, found dead hours later. he was probably waiting for us to get to him there. reporter: among the victims, trevor wehner, a college intern killed on his first day at the job. authorities revealing the names of all those whose lives ended too soon. clayton parks of elgin, illinois. trevor wehner of dekalb, illinois. russel beyer of yorkville, illinois. vincente juarez of oswego,
illinois. josh pinkard of oswego, illinois. reporter: a tragedy made worse because police say martin had an extensive arrest record and was an convicted felon which should have prevented him from owning a firearm. zachary kiesch joins us live. i want to focus on that failed background check you mentioned. police are now investigating how martin who had six prior arrests was able to get a gun? reporter: tom, he passed initial background check which allowed him to have that gun. he applied for a concealed weapon permit, something that requires a fingerprint and that s what flagged his prior felony conviction. tom, still a lot of questions out here tonight. zachary, thank you. now to that massive pileup on a missouri highway. first a snowstorm and thense incredible cell phone images coming in of that deadly chreacon crash just outside of kansas city. parts of the heartland hammered by snow and ice, making travel as you can see so treacherous.