He is the director of a company which is under scrutiny for having a Nazi sign as its logo - the same symbol featured in a manifesto by the alleged shooter.
The company, Beneficial Insulation, has a sun wheel as its company logo. It is a symbol employed in a post-Third Reich context by neo-Nazis and some occult subcultures.
Judge Stephen O'Driscoll granted a police request to clear the public gallery for the hearing.