|The lab test comes back positive for cyanide.|
June 26th - Lotto win.
July 19th - Lotto check issued
July 20th - Unexpected death
Few days after death, family shares their suspicions
Early September - Screening test from decedent reveals cyanide
Late November - Deadly levels of cyanide found in decedent
Pathophysiology of cyanide poisoning - http://www.aacn.org/WD/CETests/Media/C111.pdf