ALEXANDRIA, La. (U.S. Attorney's Office, Western District of La.) – United States Attorney Stephanie A. Finley announced that a Winnfield resident was sentenced last week to 70 months in prison for failing to register as a sex offender after moving to Louisiana from Michigan. Dexter Lavar Powell, 38, of Winnfield, La., was sentenced Friday by U.S. District Judge Dee D. Drell on one count of failure to register as a sex offender. Powell was also sentenced to five years of supervised release.