<P> Believing that Sabian and the police can not resolve the situation , the FBI assume jurisdiction over the operation , cease negotiations , relieve Sabian of his command , and order a full breach . As Roman prepares for his eventual arrest , Maggie tells him that Niebaum also worked at his house and could have kept Roenick 's wiretaps there . Sabian confronts Roman to warn him about the breach , and Roman reveals that the corrupt Officers murdered Niebaum and the executed hostage is still alive and gagged . Sabian begins to believe in Roman 's innocence and gives him a chance to prove his case : while the FBI and SWAT raid the building and rescue the hostages , Roman disguises himself as a SWAT member and escapes . Roman and Sabian proceed to Niebaum 's house , but they ca n't find the wiretaps . The police arrive and the corrupt officers enter the house , but they back off as Frost enters and tries to talk Roman down . Sabian observes Frost discreetly taking one of the loaded guns , and realizes that Frost is the ringleader of the conspiracy , the insider on the disability fund 's board and Roenick 's killer . </P>
<P> Believing that Sabian and the police can not resolve the situation , the FBI assume jurisdiction over the operation , cease negotiations , relieve Sabian of his command , and order a full breach . As Roman prepares for his eventual arrest , Maggie tells him that Niebaum also worked at his house and could have kept Roenick 's wiretaps there . Sabian confronts Roman to warn him about the breach , and Roman reveals that the corrupt Officers murdered Niebaum and the executed hostage is still alive and gagged . Sabian begins to believe in Roman 's innocence and gives him a chance to prove his case : while the FBI and SWAT raid the building and rescue the hostages , Roman disguises himself as a SWAT member and escapes . Roman and Sabian proceed to Niebaum 's house , but they ca n't find the wiretaps . The police arrive and the corrupt officers enter the house , but they back off as Frost enters and tries to talk Roman down . Sabian observes Frost discreetly taking one of the loaded guns , and realizes that Frost is the ringleader of the conspiracy , the insider on the disability fund 's board and Roenick 's killer . </P>
who is the bad guy in the negotiator
who is the bad guy in the negotiator
Frost
Frost