sentences:  On 1 July 1584 he was promoted as a Lord Ordinary as a Senator of the College of Justice, in place of Sir Richard Maitland of Lethington.He was not averse to the conspiracies of the period and was one of the conspirators involved in the notorious Raid of Ruthven, and Godscroft represents him as extremely violent on the occasion.Sir Lewis does not seem, however, to have shared in the ruin which attended his co-conspirators, joining the College of Justice in 1584.