Complex sentence: One of its former members Tom McMullen started a short lived magazine called "Outlaw Chopper" with a lot of photos of the early days of the Hangmen Motorcycle Club and a few of their runs.
Split into simpler sentences: One of its former members, Tom McMullen, started a short lived magazine called "Outlaw Chopper". It had a lot of photos of the early days of the Hangmen Motorcycle Club, and a few of their runs.