en_tn_condensed/act/26/12.md

While I was doing this

Paul uses this phrase to mark another shift in his defense. He is now telling about when he saw Jesus and became his disciple.

While

This word is used to mark two events that are happening at the same time. In this case, Paul went to Damascus during the time when he persecuted Christians.

with authority and orders

Paul had letters from the Jewish leaders granting him authority to persecute the Jewish believers.