Pleas of not guilty have been entered on behalf of Axel Rudakubana following the deaths of three young girls in a knife attack at a Taylor Swift-themed dance class in Southport.
Mr Rudakubana (18) failed to reply when arraigned at Liverpool Crown Court on three counts of murder and 10 counts of attempted murder.
Mr Rudakubana, of Old School Close in Banks, Lancashire, also failed to speak when charged with possession of a knife, production of biological toxin ricin, and possession of information likely to be useful to a person committing or preparing to commit an act of terrorism.
Pleas of not guilty were entered to all 16 counts on the indictment.
Mr Rudakubana appeared via videolink from HMP Belmarsh wearing a grey sweatshirt and moved his head from side to side at times as the charges were read to him.
Alice da Silva Aguiar (9), Bebe King (6), and Elsie Dot Stancombe (7) died following the attack at The Hart Space on a small business park in the seaside town shortly before midday on July 29.
The attempted murder charges relate to eight children, who cannot be named for legal reasons, instructor Leanne Lucas and businessman John Hayes.
About 15 family members, including Alice's parents, were in the public gallery for the hearing.
Mr Rudakubana, unlike on previous hearings, did not cover his face with his sweatshirt during the hearing.
Instead, he sat slightly hunched, looking straight ahead at the camera on the videolink from HMP Belmarsh.
Wearing a grey sweatshirt, with his hands on his lap, twitching, the defendant occasionally looked around the room.
Mr Justice Goose twice asked him if he could hear proceedings from Liverpool Crown Court at the start of the hearing but Mr Rudakubana did not respond.
A prison officer with Mr Rudakubana then confirmed audio could be heard in the room the defendant was seated in.
The judge then asked the clerk of the court to put each of the charges to the defendant, but each time Mr Rudakubana did not respond.
Mr Justice Goose, after each charge, or count, was put to Mr Rudakubana without response, ordered the clerk to enter a not guilty plea on his behalf.
During this process, taking around four minutes for all of the 16 charges to be put to him, Mr Rudakubana began moving his head in a swaying motion from side to side and occasionally looked around, leaning forward with his elbows on his knees, blinking.
