Complex sentence: It was also revealed that the promoter had possible contacts with the Hells Angels biker gang in which Proulx denied and later doubled the amount demanded in his lawsuit against the couple accused them to be part of that revelation.
Split into simpler sentences: It was also revealed that the promoter had possible contacts with the Hells Angels biker gang in which Proulx denied. He later doubled the amount demanded in his lawsuit against the couple and accused them to be part of that revelation.