Also, two days before the shooting, an anonymous user posted comments online about planning to commit suicide Dec. 14 and saying it would make national news. The poster claimed to live in Connecticut.
But Sedensky said the hard drive taken from Lanza’s home was so damaged that data will probably never be extracted from it.
A timeline released with the report indicates that nearly six minutes passed between the arrival of the first Newtown police office and the time officers entered the school. The report said officers were operating under the belief there may have been more than one shooter.
Whether the delay made any difference was unclear. The report said Lanza killed himself about a minute after the first officer arrived.
Lanza “was undoubtedly afflicted with mental health problems; yet despite a fascination with mass shootings and firearms, he displayed no aggressive or threatening tendencies,” Sedensky wrote.
“Some recalled that the shooter had been bullied; but others - including many teachers - saw nothing of the sort.”
Lanza’s mother, Nancy Lanza, was concerned for her son and said that he hadn’t gone anywhere in three months and would communicate with her by e-mail only, even though they were living in the same house. The mother never expressed fear that she or anyone was in danger from her son, the report said.
Donna Soto, the mother of slain teacher Victoria Soto, said in a statement that nothing could make sense of the shooting.
“Yes, we have read the report, no, we cannot make sense of why it happened. We don’t know if anyone ever will,” Soto wrote. “We don’t know if we will ever be whole again, we don’t know if we will go a day without pain, we don’t know if anything will ever make sense again.”