KOTA BHARU, May 18 — Stricter security controls and the closure of illegal bases along the Sungai Golok border have prompted smuggling syndicates to change their modus operandi, shifting to waterways and coastal areas to continue their activities.Kelantan police chief Datuk Mohd Yusoff Mamat said the latest tactic was detected after groups of smugglers and illegal immigrants were found entering the state via small rivers in Tumpat, which are dir…