Luis Cabrera had recently attended Walter Johnson High School in Bethesda.
Legal experts said he is likely to face about seven to 10 years in prison on bank and tax fraud charges.
The man had barricaded his 3-year-old son in the room, police said, and begun lighting fires.
Michael John Riley said his actions had always haunted him.
Rudy Gonzalez was suspended from his post at Shepherd Elementary School
Maryland student, 15, remains in critical condition one day after behind struck by car.
Elmer Campos-Martinez attacked the victim in Wheaton, Md., prosecutors said.
High school in Montgomery County mourns the loss of well-liked senior.
Dustin Rogers, 25, has been charged with rape and other counts.
Terry, 17, was removed from life support Sunday. He was involved in a fight Jan. 29 before collapsing and being hospitalized, but charges may not be filed.