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298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP11878) and 5 other sources
In the early morning hours of April 29, 2011, 32-year-old Benjamin Munoz returned to the home he shared with his father in the Top Hat neighborhood of Tukwila, Washington. His father heard him come in around 2:00 a.m. and go to bed. The next morning, his father saw him briefly before heading out for the day. This would be the last time anyone in his family would report seeing or hearing from Benjamin, a devoted father of three. Known affectionately as Ben, Benny, or Sugar Bear, he was unemployed at the time and did not own a car. Concern grew when days turned into a week, and on May 5, 2011, he was officially reported as a missing person. The disappearance was completely out of character for a man described as being incredibly close to his family, particularly his children and his father, who sadly passed away within a year of his son's disappearance.

The circumstances surrounding Benjamin’s disappearance quickly became suspicious. His cell phone, which vanished with him, remained powered on for several days, but repeated calls from his worried family went unanswered, eventually going to voicemail. A couple of days after he was last seen, his family received two text messages from his phone that they found uncharacteristic and alarming. The messages stated he had to go his own way and get his life together, but his brother, Eddie, expressed strong disbelief that Benjamin would have sent them, citing his deep commitment to his children as a reason he would never voluntarily leave. Surveillance footage reportedly showed Benjamin leaving his home that morning wearing only a t-shirt, jeans, and slippers, carrying no personal belongings with him.

The King County Sheriff's Office launched an investigation into the troubling disappearance. As months passed with no sign of Benjamin, detectives began to suspect foul play was involved. A year after he vanished, investigators publicly stated that they believed Munoz was likely deceased and that foul play was a definite possibility in his case. His family's pain was compounded by the loss of Benjamin's father, who fell ill and died in the months following his son's disappearance without ever knowing what happened. The investigation remains open, but no significant leads have emerged to resolve the mystery of what happened to Benjamin Munoz after he was last seen on that April morning. The case is a heart-wrenching puzzle, marked by suspicious text messages and the sudden, unexplained absence of a loving father from the lives of those he held dear.

Last Seen: Apr 29, 2011

Possible Unidentified Matches (3)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

78%Possible
John Doe — Tacoma, Washington
UP93227 • Found Jun 21, 2022
View case
Sex ✓Male
Age 85%Est. 45–70 vs 32 when missing
Race 100%White
Location 98%17 mi away, same state
TimingFound 11 years after last seen
Height 84%5'3" vs 5'5"
Weight 100%185 lb vs 200 lb
Hair 70%Gray vs Black
77%Possible
John Doe — Seattle, Washington
UP87994 • Found Jun 14, 2021
View case
Sex ✓Male
Age 85%Est. 21–44 vs 32 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 10 years after last seen
Height 84%5'7" vs 5'5"
Weight 95%175 lb vs 200 lb
75%Possible
John Doe — Seattle, Washington
UP51986 • Found Jan 1, 2018
View case
Sex ✓Male
Age 60%Est. 30–60 vs 32 when missing
Race 100%White
Location 100%9 mi away, same county
TimingFound 7 years after last seen
Height 100%5'5"–5'8" vs 5'5"
Weight 93%173 lb vs 200 lb
Hair 40%Gray vs Black

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.