Answer: Creasy was a contract assassin for the CIA. His downfall was his drinking because it affected his reaction time and so forth. He had a lot of bad memories he was trying to live with. He considered this bodyguard assignment to be a blow off assignment. This and his bad memories combined with his drinking problem, made him severely depressed. This is why he considered killing himself. At the end of the movie, you see Creasy being taken away in a car. His gunshot wound from the "Voice's" brother, along with his prior gunshot wounds that were never properly treated, had finally gotten the best of him. He was bleeding the whole last half of the movie because he never fully recovered from the gunshot wounds. So, to answer the question of why he died, he bled to death.
Question: What are the scars on John Creasy's hand from, when the laser is on his hand at the end? When he is standing on the bridge with his hand on his chest the scars look the same size as a bullet?
Answer: Creasy was a POW. A general was questioning him while captured. Cigarettes were put out on his hand as a means of toture.
Question: Does anyone know, or have any idea, what the policeman was referring to when the reporter asked for the bank information and he replied, "On one condition"?
Answer: She had to divulge Crecy's phone number so that they can trace him. Or the condition is that she has sex with him. Opinion is divided.
Answer: Creasy explained to Fuentes that he used a suppository dispenser popular with drug mules to load the C-4 into Fuentes. And Fuentes had to have known what happened to his corrupt policia federale in the car and what happened at the rave, so he knew for certain that Creasy was authentic. Fuentes knew that his life was in jeopardy. As such, he tried to talk his way out - "Hey, take it easy", "I'm sorry about the girl", "I'm a professional." He tried to threaten his way out - "I'm the Presidente of La Hermandad." Fuentes was trying to buy time, to talk his way out of his impending enema. He needed enough time for Creasy to free him and for him to extract the C-4. And Creasy knew that, which is why he replied, "I wish you had more time."
Question: If Jorge Gonzales and other members of La Hermandad participated in the kidnapping, why does the La Hermandad president, Victor Fuentes, steal the ransom?
Answer: La Hermandad wasn't entirely involved in the kidnapping. There were only a few members that were involved with "the voice". Jorge and his people stole the ransom because they are corrupt police and they wanted the ransom and split it among themselves.