Burner phones and search history led police to Long Island killings suspect

Charging documents released on Friday show how investigators have tied architect Rex Heuermann to 11 sets of human remains

A New York architect, who allegedly made taunting calls to the relative of a victim police investigators suspected he murdered, is in custody facing accusations that he is the so-called Long Island serial killer.

Rex Heuermann's arrest and indictment on Friday, on six charges of murder, marks a key moment in a case that has captivated the public and confounded authorities for more than a decade.