Joining the Ninth and Seventh Circuits, the Fifth Circuit has ruled that 18 USC 16(b), which contains one half of the definition of a crime of violence for immigration purposes, is unconstitutionally vague.
The full text of US v. Gonzalez-Longoria can be read here: http://www.ca5.uscourts.gov/opinions/pub/15/15-40041-CR0.pdf
My blog post on the related Seventh Circuit decision (US v. Vivas-Ceja) here: http://www.sabrinadamast.com/journal/2015/12/23/seventh-circuit-finds-18-usc-16b-unconstitutionally-vague
My blog post on the related Ninth Circuit decision (Dimaya v. Lynch) can be found here: http://www.sabrinadamast.com/journal/2015/10/20/ninth-circuit-finds-18-usc-16b-unconstitutionally-vague