Our sources say Spiro's goal is to get to the bottom of the Lewis mystery before "Tiger King 2" drops.
Spiro has the chops to figure out what happened to Lewis. As a prosecutor, he was involved in the case of serial killer Rodney Alcala. He's also investigated the cold case of Robert Durst's first wife. His client list is long and impressive. Aside from Jay-Z and Mick, Spiro's clients include DeMarcus Cousins, Charles Oakley, Thabo Sefolosha and Julian Edelman.
We're told he's in the gathering evidence phase and has already interviewed a key witness who turned over information our sources call "key."
The Sheriff in the area where Don was last seen is convinced he was killed and has been investigating, but so far, no results.
Our sources say Lewis' family wants Spiro to identify a possible murderer and turn the information over to prosecutors.