sentences:  In fact, pen registers at the Our Friends Social Club had disclosed several calls to his home in Cedarhurst, and FBI agents were watching on the day Angelo moved in.The agents had increased physical surveillance of Angelo and John Gotti, suspecting they might be dealing drugs.Despite Angelo's growing uneasiness and his efforts to discuss matters in code, evidence of narcotics trafficking began to grow around him mostly from his tape recorded telephone conversations with drug traffickers Alphonse Sisca and Arnold Squitieri.