Complex sentence: Tony was supposed to join Blundetto on the job but failed to appear because of a panic attack after an argument with his mother; at the time, he told people he had been attacked and injured by black gangsters.
Split into simpler sentences: Tony was supposed to join Blundetto on the job but failed to appear because of a panic attack after an argument with his mother. At the time, he told people he had been attacked and injured by black gangsters.