Investigators are looking into the possibility he left because of Plotnikov 's death , the source said . NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. President Obama defends FBI probe , calls review of Boston intel `` standard procedure '' He defends FBI investigation of bombing suspect , though a GOP senator remains critical . Investigators find a fingerprint in bomb debris ; no match yet , official says .
NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. President Obama defends FBI probe , calls review of Boston intel `` standard procedure '' He defends FBI investigation of bombing suspect , though a GOP senator remains critical . Investigators find a fingerprint in bomb debris ; no match yet , official says .