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Family Raises Concerns About Her Vanishing #truecrimeinvestigation #truecrimeshorts #crimejunkies

May 02, 2026 / 01:40

This episode covers the disappearance of Melissa Mondragon, family reactions, and the involvement of Diego Martinez. Key discussions include the arrival of Melissa's family, their concerns about her safety, and the history of Diego's troubling behavior.

Melissa's parents, Jose and Joanne Mondragon, along with her siblings Trudy and Jasmine, rush to Taos after hearing about her disappearance. They express disbelief that Melissa would leave voluntarily and suspect foul play.

Diego Martinez, Sierra's ex-boyfriend, is identified as a person of interest due to his past behavior, including a traumatic brain injury and a restraining order filed by Sierra against him. The family's worries are heightened by Diego's previous threats against Melissa.

The episode highlights the family's frantic efforts to gather information while dealing with the shock of the situation. They reflect on their experiences as long-time Crime Junkie listeners, feeling somewhat prepared for the crisis.

TLDR

Melissa Mondragon's family fears for her safety after her disappearance, suspecting Diego Martinez's involvement due to his violent history.

Episode

1:40
00:00:00
Why would she walk away from all of that? That's the question that hangs in the air as family members who had gotten
00:00:06
word about her being missing start arriving. Like Melissa's parents and her brother, her sister Trudy, and Trudy's
00:00:14
daughter Jasmine. Melissa's parents, Jose and Joanne Mondragon, live nearby. Although they had been in Albuquerque
00:00:21
visiting Trudy that day. But once they heard what was going on from Sierra, they were in the car. And these are
00:00:27
long-time Crime Junkie listeners. So even in shock, they said that they felt like they were prepared and knew what to
00:00:34
do. They worked the phones during the 2 and 1/2 hour drive to Taos, calling relatives and hospitals hoping that
00:00:41
Melissa would be home safe by the time that they got there. Instead, they pulled up to a property bathed in police
00:00:48
lights. And they were told to wait outside away from Mark and Sierra. Now, they don't believe for a second that
00:00:55
Melissa left on her own. Something bad must have happened. And they already have someone in mind. Diego Martinez,
00:01:04
who is Sierra's ex-boyfriend. Now, Diego had been behind the wheel in the crash that killed Sierra's best friend. He
00:01:11
suffered a traumatic brain injury in the crash, and according to the family, his
00:01:16
behavior became frightening. In 2024, Sierra took out a restraining order against him citing physical abuse,
00:01:23
break-ins, stolen keys, and threats against her and loved ones, including specific threats against Melissa. Diego
00:01:31
had also sent Melissa sexually explicit text messages. And did Mark and Sierra bring him up at any point, too? Not that
00:01:38
I know of.

Badges

This episode stands out for the following:

  • 80
    Most heartbreaking
  • 75
    Most shocking
  • 70
    Most emotional
  • 70
    Most unpredictable

Episode Highlights

  • Family's Arrival
    Melissa's family arrives at the scene, filled with hope but facing a grim reality.
    “They pulled up to a property bathed in police lights.”
    @ 00m 48s
    May 02, 2026
  • Diego's Threats
    Sierra's ex-boyfriend Diego had a history of threatening behavior towards Melissa.
    “Diego had also sent Melissa sexually explicit text messages.”
    @ 01m 31s
    May 02, 2026

Episode Quotes

  • They felt like they were prepared and knew what to do.
    Family Raises Concerns About Her Vanishing #truecrimeinvestigation #truecrimeshorts #crimejunkies
  • Something bad must have happened.
    Family Raises Concerns About Her Vanishing #truecrimeinvestigation #truecrimeshorts #crimejunkies

Key Moments

  • Police Arrival00:48
  • Threatening Ex01:31