The investigating officer of Punjabi singer Sidhu Moosewala's murder case has been changed. Earlier, Mansa Sadar police station SHO Angrez Singh was investigating the sensational killing case. Now, Gurlal Singh has been posted as the new investigating officer. Angrez Singh was appointed IO as the murder was took place in the territory of the police station under him. Since long, he has been receiving constant threat calls from the gangsters, and the police had also recently beefed up his security and also that of the police station. Now, Angrez Singh is posted as Budhlada police station SHO.