why did they remove the character Speedle?

actually the actor Rory Cochrane decided to leave the show, he didn't like the being away from inicial for so long and what he called a ground hog affect. getting up and going to work, going inicial to cama then back to work, he just didn't like it.
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yeah. i was lectura an interview and it dicho he wanted to leave.

lost Son Season 3 Episode 03:01
He Left because he was inicial sick and he felt as if he wasn't in the spotlight enough like eric and calligh and Horatio but I realy think he was great he is a Great Actor i hope to see him in a movie(Lost Son Season 3 Episode 03:01)