A convicted felon failed to show the prospect of being sequestered during the Mother’s Day weekend coerced jurors in his case into quickly returning a guilty verdict, a federal judge ruled.In a written opinion this week, U.S. District Judge Robert M. Dow Jr. declined to vacate Jeffrey Bowers’ conviction on counts under Illinois law that included first-degree murder, attempted first-degree murder and aggravated battery with a firearm.Dow acknowledged jurors returned the verdict 10 minutes after the trial judge …