“I think we should consider Terry a person of interest and check into his background. He had no reason to lie about owning a gun unless he didn’t want us to know about it.” Silence filled the phone line for a few seconds before Ron responded. “Lying doesn’t make him a killer. If we don’t have evidence of some sort that he’s involved, the DA will never allow an arrest, and at this point, we have zilch.”
You’re cops. You can check into his background without getting an arrest warrant or bringing him in for questioning.