Investigators checked on the whereabouts of one of Daniel's co-workers around the time he disappeared.
Investigators obtained the IP addresses associated with Daniel Collier's Facebook logins.
The Crime Lab analyzed evidence from Daniel Collier's vehicle. Additional analyses are ongoing.
The detectives talked to Sharon's best friend about their activities in early January.
Investigators asked Sharon's employer about her work hours around the time Daniel was last seen.
Investigators spoke to Vince's co-workers about his activities in early January.
Investigators spoke to members of the Bible study group about their meeting in early January.
Investigators talked to Rodney's colleges about his activities around the time Daniel was last seen.
