Can you really get so messed up on cough medicine that you take another's life?

Episode Resources:

https://account.newsobserver.com/paywall/subscriber-only?resume=219420090&intcid=ab_archive

https://medium.com/crimebeat/the-cough-syrup-killer-the-case-of-lauren-hugelmaier-a42d15c98653

https://abcnews.go.com/GMA/News/family-woman-killed-cold-medicine-murder-filled-regret/story?id=5 ...