You have opened the backpack.
Inside you find newspaper, a diary, and a locked box that requires a 3 digit combination to open. To open the box, type www.jacksonlear.com/escape-room-XXX.html, where XXX is the 3 digit combination.
Inside you find newspaper, a diary, and a locked box that requires a 3 digit combination to open. To open the box, type www.jacksonlear.com/escape-room-XXX.html, where XXX is the 3 digit combination.
Below is Dr. Felstein's diary.