Complex sentence: In 1999, he was granted pardon by the King with Prime Minister Hun Sen's agreement and returned to Cambodia, where he founded a private airline, Royal Phnom Penh Airways, which operated until late 2005.
Split into simpler sentences: In 1999, he was granted a pardon by the King with Prime Minister Hun Sen's agreement. He returned to Cambodia and founded a private airline, Royal Phnom Penh Airways, which operated until late 2005.