Possible Clues:

• They run drugs over points across river
• Those on the mitch from school, for example, will presumably get out of detention
• Houdini and some desperate cons
• They tend to get away as often as they can, as they don't like living in what can only be described as a prison
• They run from prison
• Performers like Houdini
• They get away at last, the skippers do
• Fugitives as from jail or captors
• Are they able to get away with such antics at last?