Crime and punishment roundup

If tempted to idealize the U.K. justice system, be aware it was in a London court that Saudi millionaire beat rape charge by arguing that he “tripped” into sexual congress [New York mag]
Dear Reuters: it would be great if you could report the full story behind a perp walk like Martin Shkreli’s [Ken White, Popehat]
Better for ten innocents to be imprisoned than one businessperson go free: “The New York Times has come out against the creation of a minimum mens rea element for all federal crimes.” [Scott Greenfield, Scott Shackford] More: Orin Kerr; more Greenfield; Cato podcast on mens rea with Robert Alt.
Obama Justice Department’s incursions on mens rea dovetail with its efforts on the responsible corporate officer doctrine [Ilya Shapiro and Randal John Meyer, National Review]
Escalating fines and fees, as well as a probation system under an incentive not to work, drag down poorer residents of Biloxi, Miss. [Radley Balko]
How federal law came to define “sex trafficking” to include non-coerced adult prostitution [American U. law professor Janie Chuang quoted by Glenn Kessler, Washington Post “Fact Checker”, who also debunks wildly inflated figures from Attorney General Loretta Lynch]
If only the late Gary Becker, a towering figure in law and economics, could have been persuaded to give up one of his less happy theories… [Alex Tabarrok]