Lanza told his boss that: ‘I need to go.’ Then he walked out from Times Square office of the tax real-estate group, according to a co-worker who spoke to MailOnline on condition of anonymity.

Thirty minutes later, New York cops stormed in the office…

Brett Wilshe, a friend of Ryan Lanza’s, told the AP that he sent Ryan a Facebook message Friday asking what was going on and if he was alright.

According to Wilshe, Lanza’s reply was something along the lines of: ‘It was my brother. I think my mother is dead. Oh my God.’