From CojsWiki
In 1997 Prof. Yosef Porath uncovered a a Roman complex in Caesarea where he believes Paul was jailed before being taken to Rome for trial and eventual execution.
Mosaic floor inscription reads: “Good luck to the assistants of the office of the guards.”
“Strata: Imperial Slammer Identified; Caesarea Complex May Have Been Paul’s Prison,” BAR Jan/Feb 1998.
