FBI officials are investigating the D.C. Afghan suspect shooter Rahmanullah Lakanwal’s associates and activities in the United States. “Working with the United States Attorney’s offices here at the Department of Justice and prosecutors across the country, we were able to serve search warrants literally overnight and through the night,” FBI Director Kath Patel said Thursday morning. He added: We were able to hit the house in Washington State. During that process, we seized numerous electronic devices, to include cell phones, laptops, iPads and other material that is being analyzed as we speak. Pursuant to that investigation and any known associates...