Which one is our security agencies, law enforcement or inpunity enforcement agencies?

So many ugly reports against our law enforcement agencies, both the federally recognized and locally recognized even the yet to be receive state recognition. Well let me use the legal term, "it's still an allegiance".  But personally this is no allegiance it's pure outrageous crime and violation of law and human right. (e be like say, i d para too much). Just read the recent arraignment of Security agents from different agencies. My question now is, who is to br trusted now?  If you try to even reprimand them, that could be a costless Visa to meet your ancestors, as they have their guns, or brutalising tools. 
2 Policemen, 3 Soldiers, 5 Others Arrested Over Abuse of Female IDPs
The Inspector-General of Police (I-G), Mr Ibrahim Idris, said two policemen, three Soldiers, one prison official, one Air Force personnel, a staff of Borno Ministry for Agriculture and two members of the Civilian JTF had been arrested for alleged abuse of IDPs.
The Human Rights Watch in its report, had accused the Police, Nigerian Army, vigilante groups and camp leaders of raping young girls and women in various IDPs camps.
Following the report, the I-G set up a special investigation panel to investigate the cases.
Idris made the disclosure at the Inspector-General of Police Conference in Abuja on Tuesday.
He said that the police would liaise with the Army and Air Force to make their men available for a thorough investigation.
Idris said that after the investigation, any suspects found guilty of the offence would be dismissed and taken to court for prosecution.
“We are going to conduct a thorough investigation and if anyone is found guilty we will dismiss him then take him to court,” he said.
He said that the police had put in place some mechanisms, including the deployment of female police officers to IDPs camp to check future occurrences.
President Muhammadu Buhari had ordered the I-G and the affected state governors to investigate the allegation.
NAN