the disappearance of york university cooks barbara hayes is now being treated as suspects murder , both yorkshire police wrote . uk detectives stated they had not found any proof that the 35 - year - old , she went missing on 18 march , was alive . her father michael who made a indirect appealing to his daughter to visit him several weekends after she drowned . his plea came at a news conference held monday after a £10 , 000 package was offered to help find miss nicholls . crimestoppers said the amount they were offering was " significantly higher " than usual because of market interest in the murder .
Claudia Lawrence is 35 years old.