Joe Exoticstill has Carole Baskin on his mind, even from behind bars ... and wants to get involved in the renewed search to find her missing millionaire husband.
TMZ's learned the 'Tiger King' star wants to jump right into the newly launched push to find out what the hell happened to Don Lewis when he went missing way back in 1997 ... and Don's family is welcoming his assistance.
The day after Don's 3 daughters held their news conference announcing a new lawsuit against Baskin and a fresh investigation, Joe reached out offering info from his prior investigations into Carole ... according to John Phillips, the lawyer for Don’s family.
Fox 5 Atlanta
We're told Don's daughters were down to work with Joe, and right now the plan is for him to speak to their lawyer to figure out what, if any, useful info he has for the investigation.
The family announced a $100,000 reward for info that leads them to Don, and as 'Tiger King' fans know ... Joe dedicated years of his life trying to dig up dirt on Carole, as he thinks she played a role in Don's disappearance.