The member, he said, gave out information to the terrorists regarding the movement of the colonel.
Mr Bako was killed on September 21 in an ambush by the terrorist group, near Damboa, a town about 85 kilometers from Maiduguri, the Borno State capital.
Confirming his death, the Nigerian Army described D.C Bako as “one of our gallant and finest war heroes.”
Mr Ndume, who is the chairman of the Senate Committee on Army, made the revelation to journalists on Wednesday shortly after the budget defense session of the Nigerian Army.
Buratai was represented by Lieutenant General Lamidi Adeosun during the budget defense, which was held behind closed doors.
The Chairman of the Committee, Senator Ali Ndume, said Buhari should emulate the leadership of the United Arab Emirates, which recently prosecuted and jailed some identified sponsors of the deadly sect.
Ndume also said the panel was against the current amnesty arrangement for the repentant members of the sect under the Deradicalisation, Rehabilitation, and Reintegration of the Nigerian Army.
Ndume said: “We are still calling on the Nigerian Government to ensure that those who are directly or indirectly involved in Boko Haram activities should be brought to book.
“I think we have not been up and doing on that.
“I am in disagreement with the Government on the issue of deradicalizing and reintegrating of the repentant Boko Haram members.
“I still maintain that.
“You can’t be resettling people and pampering them while the war is still ongoing.
“The committee is on the same page with me on this and I believe many Nigerians are on the same page with this.”
The Senator said indications that the amnesty arrangement for the ex-Boko Haram sect was not achieving the desired results emanated recently when one of them was linked to recent attacks by the sect.
Ndume said: “The recent attacks in Damboa was carried out by a repentant Boko Haram member who was giving information regarding the movement of the Army.
“A General was killed in the process.”
Ndume became emotional when he recalled an incident that happened in his village in 2015 when many elders were taken to an abattoir and slaughtered.
He said: “In my village, mallams that are Muslims, not ordinary Muslims, but Mallams, elders above 60, quote me, 75 of them were taken to an abattoir and slaughtered by Boko Haram.
“Can you imagine that the Nigerian Army or the Nigerian Government saying that because these people have repented or that they surrendered, they should be brought back into society and pampered?”
Instead of planning amnesty for the repentant insurgents, Ndume said efforts should be made to fully rehabilitate the victims of their unfortunate activities.
He said: “If you give Internally Displaced Persons N150,000 each as they were giving the repentant Boko Haram suspects, they will return to their villages and re-resettle.
“I have 10,000 of them (victims) here. They are displaced and suffering. They know the people who killed their people. It is wrong.”
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