"The emails described a man who was struggling to assimilate... while he alternated between 'periods of dark isolation and reckless travel.'"

"Sometimes, he spent weeks in his 'darkened room, not speaking to anyone, not even his wife or older kids.'... But then, there were 'interim' weeks where Lakanwal would try to make amends and 'do the right things'.... 'But that has quickly evolved into "manic: episodes for one or two weeks at a time, where he will take off in the family car, and drive nonstop,' the email outlined. Once, he went to Chicago, and another time, to Arizona...."

From "Suspect in National Guard attack struggled with ‘dark isolation’ as community raised concerns/Emails obtained by The Associated Press reveal mounting warnings about the suspect" (Politico).