sentences:  The heads of both departments operated under the direct guidance of the LTTE leader Velupillai Prabhakaran and intelligence head Pottu Amman, both of whom were also on the Interpol most wanted list.On 21 May 1991, former Indian Prime Minister Rajiv Gandhi was assassinated by a suicide bomber at a public meeting in Sriperumbudur, Tamil Nadu.The assassination was carried out by the LTTE suicide bomber Thenmuli Rajaratnam, also known as Dhanu, who detonated an RDX explosive-laden belt tucked below her dress as she bent down to greet him.