One killer... Multiple suspects... But nothing is what it seems. 8.00/10 2019-05-03 22 minutes.HDWhen Sue Snow takes some pills in the morning and suddenly dies from cyanide poisoning, police think they may have another random pill poisoning on their hands. But when a second victim appears, it starts to look like someone has a very personal motive.An: 2019Studio: Investigation DiscoveryPays: Canada