
Crime in Nigeria is investigated by the Nigerian Police.

The Agodi prison break was an attack on the Agodi Minimum Security Prison in Ibadan, the capital of Oyo State, Nigeria by condemned criminals. It was reported that about eight inmates died in the attempt leaving eighteen others injured.

Buhari's anti-corruption war is an anti-graft war declared by Muhammadu Buhari, the 4th democratic President of Nigeria. This is a war against all forms of corruption in Nigeria. During the president's election campaign in 2015, he vowed to fight against corruption and insecurity if elected. Since his election in April 2015, anti-graft war remain one of his topmost priority. The anti-graft war was endorsed by the President of the United States. The United States Secretary of State, John Kerry at the World Economic Forum held at Davos in Switzerland extolled Buhari's anti-graft war. In October 2015, the United Kingdom pledge her support for Buhari's anti-corruption war. According to Grant Shapps, the minister for international development, "UK is fully committed to helping Nigeria increase its security, stability and prosperity. "We would continue to provide capacity building, technical and investigative support to Nigeria to tackle corruption. Corruption in Nigeria also affects the UK directly. Where we have evidence, we will continue to take action to protect the integrity of the UK's financial system and prevent. Some Nigerian described the war as "perfect" while others described it as "selective". William Kumuyi, the founder and general overseer of Deeper Christian Life Ministry described Buhari's anti-corruption war as a step in right direction. However, the president has been criticized and accused of leading a selective war against corruption. Several people claimed that his war against corruption focus on members of the opposition party, the People's Democratic Party.

The Edo prison break was an attack on the federal maximum security prison at Oko in Benin City, the capital of Edo State in southern Nigeria by unknown gunmen suspected to be Armed robbers in a bid to rescue their members who are largely condemn inmates. About 12 prisoners escaped from the prison.

The Ekiti prison break was an attack on the federal prison at Afao road, Ado Ekiti in the southwestern Nigerian city of Ekiti State by 60 unknown gunmen. The attack occurred on 30 November 2014. 341 prisoners escaped from the prison leaving 1 warder and 20 sniffer dogs dead. The escaped prisoners were largely awaiting trial. 10 inmates who attempted to escape were captured during the attack at gunfire exchange between the policemen and the gunmen. 67 inmates were rearrested after the attack and 274 inmates escaped. One inmate, who claimed to have run away when he heard gunshots, returned to the prison to serve out his short sentence.

The Kogi prison break was an attack on Koto-Karffi Federal Medium Security Prisons in Kogi State, in north-central Nigeria by unknown gunmen suspected to be members of the terrorist group, Boko Haram. The attack occurred on 2 November 2014. About 144 prisoners escaped from the prison; 1 inmate was shot and killed during the attack. The escaped prisoners were largely awaiting trial for robbery. Twelve inmates returned to the prison to serve out their sentences and about 45 escaped prisoners were recaptured altogether.

The Minna prison break was an attack on Minna medium prison, Minna in the northwestern Nigerian city of Niger State by three unknown gunmen suspected to be armed robbers. The attack occurred on 6 December 2014. 270 prisoners escaped from the prison leaving a security officer injured. The escaped prisoners were largely gangs of armed robbers, awaiting trial. It was reported that one of the notorious armed robbers in the prison called Osama took part in the jail break.

The Ogun prison break was an attack on the Sagamu minimum prison in the southwestern Nigerian city of Ogun State by the prisoners. The attack occurred on 4 January 2013. About 20 prisoners escaped from the prison leaving several prison officials and prisoners seriously injured with no death recorded. About 4 escaped convicts were rearrested by the Armed Squad of the Prison Service. It was reported that one escaped convict returned to the prison voluntarily to serve out his short sentence

The Ondo prison break was an attack on the Olokuta Medium Security Prison in Akure, the capital of Ondo State, Nigeria, by 50 unknown gunmen suspected to be armed robbers. The attack occurred on 30 June 2013. About 175 prisoners escaped from the prison leaving 2 people dead and 1 warder injured. The escaped prisoners were largely awaiting trial for robbery. About 54 escaped inmates were rearrested after the attack and about 121 inmates escaped.