article_snippet.sent: The three men, who are in their 50s were questioned over night by police investigating the chef's disappearance.
article_snippet.sent: Detectives previously questioned a man in a man 50s from York in March in connection with missing chef Claudia Lawrence murder.
article_snippet.sent: Detectives are currently looking for evidence which could lead to the discovery of missing chef Claudia Lawrence body.
article_snippet.sent: Detectives began reviewing the case in 2013 and have since carried out a number of searches, including a detailed re-examination of missing chef Claudia Lawrence's home, in the York area, and a fingertip search of an alleyway that leads to the rear of the house.
article_snippet.sent: At the address nearest to Miss missing chef Claudia Lawrence home, uniformed police wearing face masks could be seen carrying out brown evidence bags.
article_snippet.sent: It was 'critical' they spoke to the man, a detective adds .
article_snippet.sent: Police say a new forensic examination of Claudia's house has uncovered the fingerprints of people who still have not come forward five years after his daughter disappeared.