Colombia investigates alleged serial killer, hid poison in fruits and sweets
Colombian authorities are investigating Zulma Guzmán, accused of poisoning two girls, for potential links to other similar cases, suggesting a pattern of serial killings.
Colombia murder suspect remanded in UK ahead of extradition hearing
Zulma Guzman Castro, a Colombian murder suspect, has been remanded in the UK as she faces extradition for allegedly poisoning two teenage girls.