[Kathleen]

WMAL saying that the Astrovan has been impounded, they found shells similar to .223 caliber and a sniper manual.

[Ligeia]

If he's not the killer, he's thinking fast about alibis.

[Deguello]

"they found shells similar to .223"

Very strange statement. They are either Rem 223 or they are not. Is it similar to find a Rem 243 and call it such 'cause both share the number "3" in the headstamp?

It does sound like a good suspect to begin with.