A San Antonio Police Department detective was questioned in a hearing Monday about missing evidence that caused a mistrial in a murder case last year.

KSAT 12 takes a look back at the year’s biggest moments in court.

Guadalupe Contreras, accused of killing his wife in 2017, has filed an appeal to try to prevent a retrial from taking place.

As closing arguments were to begin Monday in the trial of a man accused of his estranged wife’s murder, 379th District Court Judge Ron Rangel declared a mistrial.

Guadalupe Contreras faces up to life in prison if found guilty.

Guadalupe Contreras faces up to life in prison if found guilty.

Guadalupe Contreras is charged with murder in the 2017 death of Elizabeth Contreras.

Guadalupe Contreras is accused in the murder of his wife and faces up to life in prison if found guilty.