The detectives talked to Vanessa's parents about her whereabouts when her husband was murdered.

Investigators spoke with neighbors and others to try to confirm Gloria's alibi.

Investigators canvassed the area where Joel said he was working to try to corroborate his alibi.

Investigators spoke with Piggly Wiggly employees and Christine's neighbors to verify her alibi.

Investigators canvassed Oxford bars to corroborate Jackie's whereabouts the night of the homicides.

The detectives met with Gary again to clarify some of his previous statements.