KINSHASA, Congo — Three Americans accused of being involved in last month’s coup attempt in Congo appeared Friday in a military court in the country’s capital, Kinshasa, along with dozens of other defendants who were lined up on plastic chairs before the judge on the first day of the hearing.

The proceedings before the open-air military court were broadcast live on the local television channel.

Six people were killed during the botched coup attempt led by the little-known opposition figure Christian Malanga that targeted the presidential palace and a close ally of President Felix Tshisekedi. Malanga was fatally shot for resisting arrest soon after livestreaming the attack on his social media, the Congolese army said.

The defendants face a number of charges, many punishable by death, including terrorism, murder and criminal association. The court said there were 53 names on the list, but the names of Malanga and one other person were removed after death certificates were produced.

Malanga’s 21-year-old son, Marcel Malanga, who is a U.S. citizen, and two other Americans are on trial for their alleged role in the attack. All three requested an interpreter to translate the proceedings from French to English.

Malanga’s son was the first to be questioned by the judge, who asked him to confirm his name and other personal details. The military official chosen to translate for him was apparently unable to understand English well. Eventually, a journalist was selected from the media to replace him, but he, too, had trouble translating numbers and the details of the proceedings.

“He’s not interpreting right. We need a different interpreter who understands English, please,” Marcel Malanga told the judge after the journalist incorrectly translated his zip code.

But no other translator emerged and the defendants had to make do with the journalist, who worked for national radio.

Tyler Thompson Jr., 21, flew to Africa from Utah with the younger Malanga for what his family believed was a vacation, with all expenses paid by the elder Malanga. The young men had played high school football together in the Salt Lake City suburbs.

Thompson appeared before the court with a shaved head and sores on his skin as he confirmed his name and other details.

His stepmother, Miranda Thompson, said that before this week, the family had no proof he was still alive. “We’re thrilled with the confirmation,” she said.

Miranda Thompson had worried that her stepson might not even be aware that his family knew he’d been arrested.

Thompson’s family maintains he had no knowledge of the elder Malanga’s intentions, no plans for political activism and didn’t even plan to enter Congo. He and the Malangas were meant to travel to South Africa and Eswatini, Thompson’s stepmother said.

The defendants will appear in court next Friday to continue with the trial.