Complex sentence: After the May 2014 Newsweek article questioning Mam's claims, the Somaly Mam Foundation undertook its own investigation by Goodwin Procter, a Boston-based law firm, she resigned from her position and later the foundation shut down in October 2014.
Split into simpler sentences: After the May 2014 Newsweek article questioning Mam's claims, the Somaly Mam Foundation undertook its own investigation by Goodwin Procter, a Boston-based law firm. Mam resigned from her position and later the foundation shut down in October 2014.