It depends on the legislation of the country.
There is no set time to bring the person to trial, but there are time limits on how long a person can be in custody without being charged. Preparations for an actual trial can take years, but a person has the right to be released on bail so long as they don't pose a threat to the public - or potential trial witnesses.
Yes, there were Romans when Jesus was alive. At the time of Jesus, Judea was part of the Roman Empire. It was the Romans who crucified Jesus at the request of the crown in Jerusalem. Crucifixion was a Roman custom
It should be 50 days between the arrest and the beginning of a trial.
Arrest and Trial - 1963 is rated/received certificates of: Argentina:13
Grand Jury
Arrest and Trial - 2000 Patience was released on: USA: October 2000
Arrest and Trial - 2000 Nightstalker was released on: USA: 21 November 2000
Arrest and Trial - 2000 Ninja Bandit was released on: USA: 2001
Arrest and Trial - 2000 Cleaning House was released on: USA: 2001
Arrest and Trial - 2000 Nightmare Nurse was released on: USA: 2001
Arrest and Trial - 2000 Rubik's Cube was released on: USA: 2000
Arrest and Trial - 2000 Uncle Hilty was released on: USA: 2001