Thai policeman's wife investigated over alleged murder and a dozen other poison cases

Thai police say they are investigating whether a woman arrested this week on suspicion of murdering her friend with cyanide may have done the same to at least 12 other victims in a spate of killings that has transfixed the kingdom.

source https://www.cnn.com/2023/04/28/asia/thailand-alleged-poison-killer-arrested-intl-hnk/index.html