"I suspect there's a lot more going on than we know about," Aerosmith's Brad Whitford told Reuters. "He has a well-documented history of drug abuse, and I find myself very suspicious. I haven't seen him do this or ... have any personal knowledge, but the isolation is very typical of addictive behavior, and his -- what I call -- irrational behavior."

Joey Kramer says in a different interview "Steven has made some poor choices as of late, and he's got some bad influences around him, and I think that for the most part he's his own worst enemy ... I just really hope that Steven puts the focus on Steven and gets healthy."

- Read the Reuters report for more

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