The Special Investigation Team of the Karnataka Police probing the murder of activist-journalist Gauri Lankesh has arrested one person in connection with the case. Rushikesh Devdikar alias Murali, 44, who was absconding, was arrested from his hideout at Katras in Dhanbad district of Jharkhand, the SIT said in a statement. According to the probe team, Devdikar was part of the conspiracy to kill Lankesh.