A Lake Charles man found guilty of second-degree murder last summer in the 2021 fatal shooting of a homeless man has been sentenced to life in prison. Steven D. Rigmaiden fatally shot Ezekiel Joubert on June 19, 2021, from his car near Albert and Elder streets. Joubert’s body was later discovered in the middle of the road. Lake Charles Police SWAT members arrested Rigmaiden the next day after video surveillance showed him driving a red 2007 Mont…