Cairo (CNN) -- An American pastor kidnapped in Egypt was not aware of the danger of traveling to the area, his son said Sunday.

Pastor Michel Louis, a woman from another church, and an Egyptian tour guide were taken off a bus on Friday, Louis's son Jean told CNN's Early Start Weekend show.

"As the tour bus was in area of the Sinai peninsula of Egypt, they were stopped by a couple of cars," Jean Louis said he had heard from his mother, who was on the bus. Read more and watch video on CNN