a sunny afternoon in el cajon, california, just outside san diego. 23-year-old freelance cameraman greg torkelson is listening to his police scanner. >> if something happens, you know, a shooting, car crash, a house fire, something like that, i respond to it and i try to get the good shots. >> shortly after 5:00 p.m., greg hears a call about a man brandishing a gun inside a residential home. that man is 32-year-old kevin collier, despondent since his wife alyssa filed for divorce four days earlier. collier had moved out, but has now come back armed with a gun. when he discovers alissa is out, he instead shoots and kills their 14-month-old daughter riley and his mother-in-law, beverly rockoff. >> i had no reason not to be home. he thought i was going to be there. i should have been there. he thought i was going to be there. >> collier is now holed up in the house. el cajon police have taken up position outside when greg arrives. >> i saw officers had their guns drawn. i pulled up on the curb, got the camera out and moments after all hell broke loose. >> collier is shooting at the officer

el cajon, california. if you my suggestion want to do psychiatric evaluation and everybody who buys guns, it will be very expensive. at thehat they can do national rifle association p is che technician and do a quick test to make sure the guy is in the right state of mind. suspicious, they can refer them for psychiatric evaluation. en other words, a psych technician and every gun store and do a quick quiz and anybody who wants to buy a gun and make sure they are in the right state of mind. if anything is suspicious, doing more evaluation. withshould be done along the other test, the safety test another things, just a rapid psychiatric check. on every gun owner. just train 20 psychiatric technicians to do a quick psychiatric evaluation. host: so, down to mental health in your view? the peopleolutely, who do crazy things with guns are crazy people. upyou initially can pick it in a quick evaluation that is cheap, that's a good way to go about it. host: what was the process like for you when you bought a gun?

. >> a crash along the main route between san francisco and vegas up on the el cajon pass. a motorcyclist cut in front of a charter bus. an oxygen tank being used exploded. that person is facing serious burns. a brushfire in the same area burned dozens of homes a few weeks back. a small plane crashed killing the pilot. the plane was found today. according to the faa, the plane appears to have crashed several days ago. it's unclear when or where it took off from. >> friends and family gathered in georgia to say their good- bye s to bobbi kristina brown. she was treated for six months about being found unconscious in a bath tub. bobbi kristina is expected to be buried alongside her mother in new jersey. >>> next up, outrage continues over the killing of a lion in africa. why the cubs may be at risk. >> coming up, i say it once and i'll say it again. you can only get hit by a train unless you're in onuaku the train tracks. i'll explain next in "people behaving badly." e a bow and arrow ♪ ♪ a broken guitar ♪ ♪ while the rainwater washes away ♪ ♪ who you are ♪ ♪

ray in el cajon, california. >> caller: hi there. my suggestion is if you want to do psychiatric evaluation on everybody who buys guns, it's going to be very expensive. what they can do maybe in our national rifle association, train a group of like technicians, just like pharmacy technicians, and have them in a gun store, just like gun dealers. when they want to buy guns, do a quick psychiatric quiz along with the other tests. make sure the guy is in the right state of mind. then if anything suspicious, then they can refer them for psychiatric evaluation. in other words, a psych technician in every gun store do a quick psych quiz on anybody who wants to buy a gun. make sure they're in the right state of mind. if anything suspicious, then do more evaluation. that should be done along with the other tests, the safety test and other things. just a rapid, quick, psychiatric check on every gun store. >> so ray, what was the process -- >> caller: just train 20 psychiatric technician. just do a quick psychiatric evaluation. >> so it comes d

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