A note that was found inside suspect Robert Card's home earlier in the
afternoon is being described as a suicide note addressed to the suspect's
son, law enforcement sources with knowledge of the investigation told ABC
News.
The sources said the note does not provide information that indicates a
motive for the mass shooting.
https://abcnews.go.com/US/live-updates/lewiston-maine-mass-
shooting/suspect-left-suicide-note-in-home-sources-104397468?id=104322983