The person at the center of this case
Rosario Guadalupe Arias-Mariscal
Missing Person · Open
12 years waiting · since 2014
Missing Person: Rosario Guadalupe Arias-Mariscal
Justice for Rosario Guadalupe Arias-Mariscal — the trail went cold in 2014, but the truth hasn't.
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Key leads to think about
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person
Lead #1What circumstances led to Rosario's disappearance on July 20, 2014?
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witness
Lead #2Who was the last person to see or speak with Rosario before he went missing?
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evidence
Lead #3Were there any vehicles involved or sightings reported after his disappearance?
Rosario Guadalupe Arias-Mariscal, a 21-year-old Hispanic male, disappeared on July 20, 2014, in Phoenix, Arizona, and has not been seen or heard from since. He was last known to be wearing a maroon short-sleeve t-shirt, gray jeans, and maroon tennis shoes. The Phoenix Police Department continues to investigate his disappearance, and anyone with information about his whereabouts is urged to come forward.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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clue
Lead #4Has anyone reported seeing someone matching Rosario's description wearing the maroon t-shirt, gray jeans, and maroon tennis shoes?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP35371. Missing person: Rosario Guadalupe Arias-Mariscal.
Last known contact: 2014-07-20 in Phoenix, Maricopa, AZ. Circumstances: On 7/20/14 Rosario Guadalupe Arias Mariscal was last known to be in Phoenix, Arizona.
He has not been seen or heard from since. Demographics: 21 years, Male, Hispanic / Latino.
Physical description: 5 ft 4 in, 145 lbs, hair: Black, eyes: Brown. Clothing and accessories: Clothing: Maroon short sleeve t-shirt, gray jeans.; Footwear: Maroon tennis shoes (possibly polo brand).
Investigating agency: Phoenix Police Department | 201600001897235 | 2016-09-21.
Timeline of Events
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2014-07-20
Last Known Contact
Rosario Guadalupe Arias-Mariscal was last known to be in Phoenix, Arizona on July 20, 2014. He has not been seen or heard from since.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 20, 2014
Last Updated:September 27, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 6022626151
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Case Information
Incident:July 20, 2014
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 6022626151
You can remain anonymous