Family and friends of Delphi girls celebrate Abby's 16th birthday

Abby Williams and Libby German. (Photo provided by family)

DELPHI, Ind. (WTHR) – As police continue to search for the man who killed Libby German and Abby Williams in Delphi, family and friends are celebrating what would have been Abby's 16th birthday.

Libby's sister, Kelsi tweeted this message saying, "I wish you were here celebrating this special day. I think of you often. thank you for being such a great friend to my sister."

Police released a new sketch of the suspect about two months ago saying they believe the killer is from Delphi or familiar with the town.

If you have information that can help, let police know by emailing your tip to