story for nbc affiliate webn tv. >> i don't know how they charged him honestly. i don't know how they charged him so quickly. >> he said the arrest had everyone in the newsroom scratching their heads. >> thomas had a great alibi, he was at a poker game 15 minutes away. even hours after they arrested him i don't know what grounds they had as far as actual evidence connecting him to the death. >> if tom was the killer, there had to be a hole in the rock-solid alibi, or maybe the authorities thinking the husband always does it had acted too fast. >> it doesn't feel like a slam dunk around arresting this man. >> no, it does not. >> coming up -- the mystery of the missing phone call. >> i pulled out my phone and i'm like, see if there was a number there and there was nothing. and so i'm like, that's strange. >> when "dateline" continues. ultra soft fabric