The only job lucas is qualified for is human test subject for experimental medical treatments
That said, speaking as someone who has a security license and does security work of that type, the scary part is those aren't as likely to disqualify him as you might think. They should be, but in practice they don't always do what they are supposed to do. For example i've been doing security work for nearly a year now and they have still not bothered to do my background check (and even sent me paperwork multiple times that was pre filled out and just needed my signature, all of which was filled out entirely incorrectly and in some cases nonsensically. Great example being how it listed my current address as being 'vancouver, newfoundland' despite the fact I haven't lived in vancouver in over 20 years and have never even set foot in newfoundland, there also is no vancouver in newfoundland) Keep in mind this is a company that not only provides security but also advertises doing background checks for other companies. I pointed this stuff out and have not heard a word about it since. There is also the fact that 'training' consisted of a week of pointless online courses and several days of a google hangouts course that just reiterated what the other course stuff said, and that had a final exam that the instructor literally gave out several of the answers to prior to the test. I've also heard from other guards that they have literally taken people aside who have failed said courses and given them the answers, to have them retake it and pass
So in short, there is no guarantee they would even do the background check on lucas and might even push him through training for the license course. The only thing that would likely hold him back would be the in person interview. He alternates between too timid and way too confrontational and spastic. He'd be recognized as someone who is a bad incident waiting to happen. I mean can you imagine how lucas would behave if somebody put him in a uniform and gave him authority over a place like a bus station? He'd be a walking stereotype of a mall cop wannabe cop and likely try to use that authority to creep on little girls. Hell just imagining what he'd be like in a place like that freaks me out