Please answer the following question: Build a movie plot around this: Is is a knife or a gun that killed Roenick? Gun
A:
Lieutenant Danny Roman (Jackson) is a top police hostage negotiator. When he cannot talk a hostage-taker into surrendering, he offers himself as an additional hostage and lures the subject into a position where he can be taken down with the minimum use of force, rather than an all-out assault.Roman is middle-aged and recently married. While celebrating his most recent success, he is approached by his colleague Nathan 'Nate' Roenick (Guilfoyle) who warns him that large sums of money are being embezzled from the Chicago Police Department's disability fund of which Roman is on the board. Roenick has an informant with whom he was at the Police Academy and served with for a while, but refuses to name him. Later that evening, Roman is summoned via his pager for another meeting with Roenick but instead finds him dead by gunshot wounds.The case goes badly for Roman when it is assigned to Inspector Niebaum (Walsh) of the Internal Affairs Division (IAD) whom Roenick claimed was part of the embezzling. Furthermore the gun used to kill Roenick was one of three that were part of a case Roman handled in the past: two were recovered but not the third. Documents found in Roman's house indicate that the money has gone to an offshore account of which he denies any knowledge.Facing serious charges, suspended from the force and rejected by his friends, including Roenick's widow, a frustrated Roman storms into Niebaum's office and, in the chaos that follows, takes him and several others hostage, including his personal assistant Maggie (Fallon), police Commander Grant Frost (Rifkin) and two-bit con-man Rudy Timmons (Giamatti).With the building evacuated and placed under siege by police and FBI, Roman issues his conditions which include finding Roenick's informant and summoning police Lieutenant Chris Sabian (Spacey), another top negotiator. Sabian, who has been trying rather unsuccessfully to negotiate peace between his sulking wife (Keller) and cheeky daughter (Mulrooney), arrives on the scene. Roman and Sabian have only met once...