semiautomatic handgun, and interestingly so far authorities have not addressed the issue of whether or not they've recovered a weapon here. >> shepard: authorities did suggest they believe in advance of his capture, they thought whoever this was was a drug addict. i wonder what the people who know him, what reaction they've had to this. >> we haven't heard any mention of drugs so far. only one person we talk with had something negative to say about david laffer. she said he was shady and kept to himself. most people, overwhelming majority of people said they were shocked and they could not believe he had anything whatsoever to do with this crime. they say he lived with his mother pam. his mother talked to a neighbor just one day after the shooting and his mother shared her fear that a killer was on the loose. listen. >> she was shocked! she was shocked! she said that yesterday afternoon and she was saying, you know, i can't believe this. she said it's right there, so near! i said and he walked. he had to walk into this neighborhood. pam, you know, could he be in the neighborhood? and she said i don't know. she says just keep your doors closed, you know, we can't have them like we used to.