For decades the powerful pokies lobby, ClubsNSW, has wielded extraordinary influence over Australian politics.

Fuelled by huge gambling profits, it’s successfully crushed attempts to reform the industry.

For the first time, industry insiders and politicians are speaking out against the lobby group and revealing its ruthless tactics to silence critics and gain influence in politics.

Four Corners exposes how this group came to be so powerful, at a time when that very power could be at breaking point.