Update: A correction was made to clarify that Robert R. Czarnik is currently employed with Mastec in Itasca, according to the ARDC website.A Chicago attorney should receive a four-month suspension for forging signatures on documents, an Attorney Registration & Disciplinary Commission Hearing Board found in a report issued Nov. 28.Robert R. Czarnik was charged in a five-count complaint that alleged he did not complete tasks for his clients, falsified building permits for clients, created and sent false e-mails and …