Son of Former MDI Summerer Convicted of Plundering 

Former M.D.I. summer resident Brooke Astor’s 85-year-old son has been convicted of plundering the philanthropist’s nearly $200,000,000 fortune.Anthony Marshall now faces a mandatory jail sentence of at least one year for exploiting Astor’s failing mind to help himself to her money.The jury found him guilty on Thursday of first-degree grand larceny and scheming to defraud.Marshall was acquitted on some others. The jury also convicted estate lawyer Francis Morrissey jr., 66, of scheming to defraud Astor.The verdict ends a five-month trial.Brooke Astor had Alzheimer’s disease when she died in 2007. She was 105 years old.