Raleigh, N.C. — The couple at the center of an international money laundering and murder-for-hire case appeared in federal court again on Tuesday morning in Raleigh. Investigators say Tanya and Leonid Teyf profited off a $150 million kickback scheme involving a contract with the Russian military and used the proceeds to purchase their multimillion-dollar mansion. Since December 2010, the couple opened at least 70 financial accounts at four different banks, and wire transfers show money coming into the couple’s bank accounts from countries known to launder money, including Belize, the British Virgin Islands, Panama and Seychelles. Investigators said the Teyfs...