JOS, Nigeria—Lawmakers in Nigeria have demanded a probe of a recent mass jailbreak in Central Plateau State, raising questions about collusion by prison employees. Prison administrators have deflected or stonewalled queries by journalists and elected officials. “From the security networking around the prison and the way the incident occurred, it is clear that there was compromise on the part of securities working within that [prison],” said Congressman Simon Mwadkwon to The Epoch Times. More than 260 inmates escaped from the Medium Custodial Center in Jos, the capital of Plateau State on Nov. 28, after a six-man gang overpowered armed guards at the entrance to the fortified building. The prison is at the center of a heavily guarded complex of police and secret-service headquarters buildings. But the attackers escaped with 262 inmates in a lightening-fast operation on a bright Sunday evening. As of Dec. 7, only 21 escaping inmates had been …