Michael Lohan says Lindsay Lohan was drinking more than a bottle of vodka a day and had cocaine in her hotel room. He decided to attempt an intervention for Lindsay, which brought criticism from the actress’s camp and addiction specialist Howard Samuels.

On Monday, Howard Samuels said Michael was the “last person in the world that should be staging an intervention.” Lohan took exception to that and called in to argue his side of the story. On Wednesday night, they both came back onto Jane Velez-Mitchell’s show for a full debate.

For more on this story, watch Jane Velez-Mitchell weeknights at 7 p.m. ET on HLN.