Crime Solvers Central
Crime Solvers Central
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 (MP3968) and 11 other sources
On a cold February evening in 2005, 35-year-old Richard Petrone and his companion, Danielle Imbo, vanished from the bustling streets of Philadelphia, Pennsylvania, leaving behind a mystery that has endured for years. The couple was last seen on February 19, 2005, after spending time with friends at a bar on South Street. They were seen walking towards Petrone's black and silver 2001 Dodge Dakota pickup truck around 11:45 p.m. Petrone, a hardworking man who worked at his family's bakery, and Imbo, a devoted young mother, seemingly disappeared without a trace. Neither Petrone nor Imbo have been seen or heard from since that night, and his truck has never been recovered. The lack of any communication or financial activity from either of them since their disappearance has led their families and investigators to believe that they did not vanish willingly. Both were described as dedicated parents who would not have voluntarily abandoned their children.

The investigation into their disappearance was launched after Imbo uncharacteristically missed a hair appointment the following day, and her estranged husband was unable to contact her to return their young son after a weekend visit. Concern grew as Petrone's family also could not reach him. The families began their own frantic searches, driving the route between Philadelphia and Imbo's home in New Jersey, but found no sign of the couple or the pickup truck. The Philadelphia Police Department, along with the FBI, have been investigating the case, which is being treated as a possible murder-for-hire. Despite numerous interviews and chasing down leads across the country, the case remains unsolved with no significant breakthroughs. The absence of any physical evidence has made the investigation particularly challenging for law enforcement.

Over the years, various theories have emerged, but none have been substantiated with concrete evidence. The FBI has explored motives such as a murder-for-hire plot or a message being sent, but nothing has been proven. Investigators have received tips of alleged sightings in various states, though none have been confirmed. The families of Richard Petrone and Danielle Imbo have endured an agonizing wait for answers, holding onto hope for a resolution. The FBI continues to offer a reward for information that could lead to an arrest and conviction in connection with their disappearance. The case of Richard Petrone and Danielle Imbo stands as a haunting and high-profile mystery, a story of two people who seemingly vanished into thin air, leaving their loved ones in a state of perpetual uncertainty.

Last Seen: Feb 19, 2005

Possible Unidentified Matches (10)

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.

81%Moderate
John Doe — Philadelphia, Pennsylvania - unidentified case UP16496
John Doe — Philadelphia, Pennsylvania
UP16496 • Found Feb 11, 2017
View case
Sex ✓Male
Age 100%Est. 25–40 vs 35 when missing
Race 100%White
Location 100%3 mi away, same county
TimingFound 12 years after last seen
Height 100%5'7"–5'10" vs 5'9"
Hair 100%Brown vs Brown
80%Moderate
John Doe — New York, New York - unidentified case UP5231
John Doe — New York, New York
UP5231 • Found Jun 7, 2008
View case
Sex ✓Male
Age 100%Est. 30–45 vs 35 when missing
Race 100%White
Location 82%76 mi away
TimingFound 3 years after last seen
Height 84%5'11" vs 5'9"
Weight 100%181 lb vs 200 lb
Hair 100%Brown vs Brown
80%Moderate
John Doe — Philadelphia, Pennsylvania - unidentified case UP151698
John Doe — Philadelphia, Pennsylvania
UP151698 • Found Oct 13, 2025
View case
Sex ✓Male
Age 100%Est. 45–60 vs 35 when missing
Race 100%White
Location 100%3 mi away, same county
TimingFound 21 years after last seen
Height 100%5'6"–5'8" vs 5'9"
Weight 75%150–155 lb vs 200 lb
Hair 100%Brown vs Brown
Eyes 30%Hazel vs Blue
79%Possible
John Doe — Atlantic City, New Jersey - unidentified case UP102185
John Doe — Atlantic City, New Jersey
UP102185 • Found Jan 7, 2023
View case
Sex ✓Male
Age 85%Est. 19–39 vs 35 when missing
Race 100%White
Location 87%59 mi away
TimingFound 18 years after last seen
Height 100%5'9" vs 5'9"
Weight 100%150–180 lb vs 200 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
79%Possible
John Doe — Philadelphia, Pennsylvania
UP70353 • Found May 7, 2020
View case
Sex ✓Male
Age 100%Est. 35–50 vs 35 when missing
Race 100%White
Location 100%5 mi away, same county
TimingFound 15 years after last seen
Height 100%5'8" vs 5'9"
Weight 86%166 lb vs 200 lb
Hair 60%Black vs Brown
Eyes 0%Brown vs Blue
79%Possible
John Doe — Trenton, New Jersey
UP64638 • Found Sep 4, 2019
View case
Sex ✓Male
Age 100%Est. 45–55 vs 35 when missing
Race 100%White
Location 96%25 mi away
TimingFound 15 years after last seen
Height 100%5'4"–5'10" vs 5'9"
Hair 70%Gray vs Brown
79%Possible
John Doe — Brooklyn, New York - unidentified case UP5602
John Doe — Brooklyn, New York
UP5602 • Found Jul 26, 2006
View case
Sex ✓Male
Age 100%Est. 30–45 vs 35 when missing
Race 100%White
Location 81%77 mi away
TimingFound 17 months after last seen
Height 100%5'9" vs 5'9"
Weight 100%220 lb vs 200 lb
Hair 60%Black vs Brown
Eyes 0%Brown vs Blue
79%Possible
John Doe — New York, New York - unidentified case UP5634
John Doe — New York, New York
UP5634 • Found Oct 9, 2005
View case
Sex ✓Male
Age 100%Est. 35–50 vs 35
Race 100%White
Location 80%81 mi away
TimingFound 8 months after last seen
Height 100%5'8" vs 5'9"
Weight 100%202 lb vs 200 lb
Hair 40%Gray vs Brown
Eyes 0%Brown vs Blue
78%Possible
John Doe — Philadelphia, Pennsylvania
UP101001 • Found Feb 28, 2023
View case
Sex ✓Male
Age 100%Est. 45–60 vs 35 when missing
Race 100%White
Location 100%3 mi away, same county
TimingFound 18 years after last seen
Height 100%5'5"–5'11" vs 5'9"
78%Possible
John Doe — Philadelphia, Pennsylvania
UP4883 • Found Sep 29, 2008
View case
Sex ✓Male
Age 89%Est. 40–50 vs 35 when missing
Race 100%White
Location 100%6 mi away, same county
TimingFound 4 years after last seen
Height 84%5'7" vs 5'9"
Weight 21%115 lb vs 200 lb
Hair 100%Brown vs Brown

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.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.