When they were left alone in the house in the early evening, the Grays searched the straw and found Docherty's body, showing blood and saliva on the face. On their way to alert the police, they ran into McDougal who tried to bribe them with an offer of £10 a week; they refused.[77] While the Grays reported the murder to the police, Burke and Hare removed the body and took it to Knox's surgery.[lower-alpha 11] The police search located Docherty's bloodstained clothing hidden under the bed.[79] Burke and his wife gave different times for Docherty's departure from the house, which raised enough suspicion for the police to take them in for questioning. Early the following morning the police went to Knox's dissecting-rooms where they found Docherty's body; James Gray identified her as the woman he had seen with Burke and Hare.