United States v. Roblero-Ramirez, ___ F.3d ___, 2013 WL 2927916 (8th Cir. Jun. 17, 2013) (Nebraska conviction for violation of Neb.Rev.St. 28-305, sudden quarrel manslaughter, is not an aggravated felony crime of violence for illegal re-entry sentencing purposes where the statute does not require intent to kill).