Sierra Casillas in Podcasts
personSierra Casillas is Melissa and Mark's daughter, who is involved in the case and provides key information.
Mentions Over Time
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Mentions in Podcasts
Crime Junkie
MISSING: Melissa Casias
On the afternoon of Thursday, June 26, 2025, 18-year-old Sierra Casillas is working at a coffee shop in Taos, New Mexico, when she steps away to check a voicemail from her dad, Mark.