Kochi police have arrested the key suspect in an MDMA smuggling case, tracing him to Dakshina Kannada district in Karnataka.

Christo T John, a resident of Madikeri in Kodagu, was taken into custody for his role in trafficking 20.01 grams of MDMA, seized in Thoppumpady last November. He was arrested in Kallugundi on Friday after investigators tracked his contacts and location.

Four others, including a couple, had previously been arrested in the case. Police revealed that Christo supplied MDMA to two individuals in Bengaluru. Following his arrest, he was presented before a court and remanded to judicial custody.