The whole Judean countryside and all the people of Jerusalem went out to him. Confessing their sins, they were baptized by him in the Jordan River.
John wore clothing made of camel’s hair, with a leather belt around his waist, and he ate locusts and wild honey.Mark 1:6 NIV
And so John the Baptist appeared in the wilderness, preaching a baptism of repentance for the forgiveness of sins.Mark 1:4 NIV