Board Thread:Episode Discussion/@comment-14138255-20171107165310/@comment-26397825-20171124082858

Again, because he was in prison. You don't let a prisoner keep his scroll to contact his cronies and organise a rescue. You take that off him, along with his weapon (and hat) and put it in a locker somewhere. Which was likely on the ship, along with his hat and weapon which he also didn't have in the prison cell but had after she released him and gave him his stuff.

Neo's scroll is white, as evidenced by the screenshots I provided. The black scroll that had the virus on it is not Neo's.