A Southern California woman who murdered her boyfriend and entombed his body under a staircase at her home was sentenced to 15 years in prison.
Trista Ann Spicer, 46, was convicted by a jury of second-degree murder in November 2025 of her then-boyfriend, Eric Mercardo, 42.
Mercado had been living at Spicer’s San Bernardino home when his family reported him missing in October 2014. At the time, Spicer claimed he left after an argument and never returned…