'Have you found out using your investigation skills how George travelled with two people with known criminal records? Do you know that he was in custody for two days for possessing drugs?'

He said that Home Minister Kodiyeri Balakrishnan and his family were being unnecessarily dragged into the case.

K. Surendran, president of the state Bharatiya Yuva Morcha, challenged Vijayan to come out with evidence on the supposed RSS links to the murder.

'He appears to have lost his senses because he is trying to defend Balakrishnan and his family who know everything about the murder,' said Surendran.