According to her mates, it was because she is a Christian and refused to convert to Islam as demanded by her captors.
Then four weeks ago, Boko Haram kidnapped 110 girls from a school in Dapchi in the biggest mass abduction since the Chibok capture which prompted worldwide outrage and the global campaign #bringbackourgirls.
The News Agency of Nigeria reports that the girls were handed over to the state government by a federal government delegation led by Minister of State Foreign Affairs, Khadijah Abba Ibrahim.
Of the 111 schoolgirls abducted from the Government Girls' Science Technical College in Dapchi on February 19, 105 have been released.
They were brought back by members of the Boko Haram jihadist group in nine trucks. What if they decide to abduct more people.
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"However, it puts on us an even greater responsibility to ensure that all of the remaining Chibok girls are returned". However she urged the Buhari administration to improve and tighten security at all schools in northeast Nigeria which have suffered extremist violence during Boko Haram's almost 10-year insurgency.
Buhari, who's also a Muslim, further said in his statement: "President Buhari is fully conscious of his duty under the constitution to protect all Nigerians, irrespective of faith, ethnic background or geopolitical location and will not shirk in this responsibility".
"We heard that some of the girls who returned said that she died, but we haven't been able to talk to them or get any official confirmation, so we're still in the dark", said her mother, Salamtu Mohammed.
"While parents of Dapchi girls rejoice because of the reunion with their children, I want to appeal to the Chibok community never to lose hope or despair", he said.
On Friday, President Muhammadu Buhari told the freed Dapchi girls that he was committed to get Leah Sharibu also freed. "This strategy paid off as the girls have been released without any incidents", the President added. After all, if their children were still missing almost four years later, despite the global #bringbackourgirls campaign, what.