A South Boston man won’t serve anytime behind bars for his part in a mob assault. 22-year-old, Michael Devon Lawson, pleaded guilty last month to charges related to a mob assault in January. Lawson pleaded guilty to assault and battery of two people while part of a mob he also pleaded guilty to destruction of property, a misdemeanors; and to a felony charge for breaking and entering. A Halifax Court sentenced Lawson to four years total, but all were suspended with the condition of good behavior for 10 years. Lawson will also be subject to random drug tests and undergo substance abuse counseling and tests.