(Photo by Larry Busacca/Getty Images)NEW YORK, NY - JUNE 01: Mary-Kate Olsen and Ashley Olsen pose on the winners walk at the 2015 CFDA Fashion Awards at Alice Tully Hall at Lincoln Center on June 1, 2015 in New York City.
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(Photo by Gilbert Carrasquillo/Film Magic)NEW YORK, NY - MAY 05: Mary-Kate Olsen and Ashley Olsen attend the 'Charles James: Beyond Fashion' Costume Institute Gala at the Metropolitan Museum of Art on May 5, 2014 in New York City.
(Photo by Kevin Mazur/Wire Image)NEW YORK, NY - FEBRUARY 15: Ashley Olsen (L) and Mary-Kate Olsen attend the J.
After attempts to revive the actor, Ledger was pronounced dead at PM.
By that time, two other security guards called by Olsen had arrived, as well as police officers, who said that all five witnesses on the scene – Wolozin, the three security guards called by Mary-Kate, and Ledger’s housekeeper (who had been in the apartment) – were all fully cooperating with authorities, according to The Times.