Loyalist Michael Stone has been remanded in custody after appearing in court, charged with storming the Northern Assembly last November.
The 51-year-old from east Belfast was told he must wait in prison while forensic experts work on his case.
Stone tried to enter Stormont on 24 November last year before being stopped by two security guards.
He was charged with attempting to murder Sinn Féin leaders Gerry Adams and Martin McGuinness and the two officials.
He appeared at Belfast Magistrates Court by videolink from Maghaberry Prison.
