He got sentenced for life in Azkaban.
The Harry Potter series is told in limited third person view, following Harry. This means if Harry isn't there - we don't get to see it. The Minister of Magic approved Barty Crouch Jr being given the Dementors kiss without taking him trial or even waiting for him to wake up up and answer questions. Crouch did this to undermine Dumbledore and so he could avoid facing the reality that Voldemort had returned. Harry wasn't in the room when this happened, and couldn't have been. He was only fourteen and Crouch had this happen quickly so Dumbledore couldn't stop him.
Trial of John Maclean happened in 1918.
Trial of Mikhail Khodorkovsky happened in 2005.
Libel trial of Joseph Howe happened in 1835.
Sheila Dixon trial happened in 2009.
The Harry Potter series is told in limited third person view, following Harry. This means if Harry isn't there - we don't get to see it. The Minister of Magic approved Barty Crouch Jr being given the Dementors kiss without taking him trial or even waiting for him to wake up up and answer questions. Crouch did this to undermine Dumbledore and so he could avoid facing the reality that Voldemort had returned. Harry wasn't in the room when this happened, and couldn't have been. He was only fourteen and Crouch had this happen quickly so Dumbledore couldn't stop him.
JBTZ trial happened in 1988.
Trial of the thirty happened in 1894.
Trial of the Detectives happened in 1877.
Gadget Trial happened in 2006.
Outreau trial happened in 2004.
Treason Trial happened in 1956.
She was found guilty after the trial and was executed.
Würzburg witch trial happened in 1627.
Trial of the Gang of Four happened in 1981.
Wiesensteig witch trial happened in 1562.
Trial of Soghomon Tehlirian happened in 1921.