All four women have lost their husbands in one of the three Boko Haram attacks.
This is not the first time that curfews and travel restrictions have made it easier for attackers to kill people in Nigeria.
Boko Haram recruits minors to act as suicide bombers and older children as soldiers.
This attack comes after the latest claims by the Nigerian government that Boko Haram has been reduced in capability.
During the attack, 17 people were killed and at least another 16 were injured according to the report
The attacks were allegedly committed by jihadists from the Boko Haram terrorist group.
The U.N. has repeatedly called for an end to such blatant violations of international humanitarian law.
Edward Kallon, the U.N.’s humanitarian coordinator in Nigeria, said that “the victims included a five-year-old child.
Those released testified that Leah was the only Christian of the group and the terrorists had forced her to convert to Islam