Law enforcement sources said they found David Kellermann, acting chief financial officer of mortgage company Freddie Mac, hanging in the basement of his Reston, Va., home, dead from an apparent suicide early this morning. Virginia police say they found David Kellermann, acting chief financial officer of mortgage company Freddie Mac, hanging in the basement of his Reston home, dead from an apparent suicide early this morning. (ABC News)The death was "an active investigation" and there were "no signs of foul play," Fairfax County police officer Sabrina Ruck said. Local police said they were called to Kellermann's home at 4:48am. Kellermann,...