Investigators checked on the whereabouts of one of Daniel's co-workers around the time he disappeared.

The detectives spoke to om of Joanne Ebner's employers.

The detectives talked to Sharon's best friend about their activities in early January.

Investigators spoke to members of the Bible study group about their meeting in early January.

Investigators spoke to Vince's co-workers about his activities in early January.

Investigators talked to Rodney's colleges about his activities around the time Daniel was last seen.

The detectives asked Joanne to come in to answer some more questions.