http://www.chicagotribune.com/news/chi-niu_service_18feb18,0,907134.story
excerpts...
Jessica Baty said Kazmierczak, who killed himself with the last of 48 shots fired in the lecture hall Thursday, seemed only slightly changed after he stopped taking his medication a few weeks ago.
“He wasn’t erratic. He wasn’t delusional. He was Steve; he was normal,” Baty said in an interview Sunday on CNN.
Baty said Kazmierczak, 27, called her the night before to say goodbye.
“He called me at midnight and told me not to forget about him,” said Baty, 28.
==>> She is among many who describe Kazmierczak as a man with some demons, but ones he appeared to control as he applied himself as a curious and disciplined student.