A mentally challenged girl was allegedly raped and killed by her brother and his three friends, Jaipur Police revealed on Saturday.
The four suspects who are aged from 19 to 21, allegedly took the girl to forest and raped her before allegedly killing her.
The girl’s father lodged a missing complaint on the next day after which police launched a search operation.
After a detailed investigation, police zeroed in on the four suspects and detained them on Saturday, the station house officer revealed.