ch

The film also featured the vocal talents of Patel's fellow Boltonian, comedian Peter Kay, who voiced PC Mukherjee's superior, Ch Insp Mackintosh.

Bedfordshire Police's Det Ch Insp Sam Khanna said: "This was a truly tragic and shocking case in which three innocent members of the same family have been brutally killed by their son and brother."

Dr Aslam's image of Saeed as a trusted family GP contrasts sharply, however, with the profile built up by Det Ch Insp Brian Steele.

Ch Insp Haythornthwaite said he wanted to thank those who had contacted them with information so far.

Speaking after the sentencings, Det Ch Insp John Graham-Cumming, of Cumbria Police, said it had been a "long and complex investigation" involving officers in other areas of the country.