25 sourced case files spanning historic cold cases, family crime, serial investigations, hate-motivated mass murder, terrorism and landmark forensic breakthroughs—written without graphic detail.
Solved reflects a criminal conviction or established court outcome. Unsolved includes missing persons, cold cases and allegations not proved in court. Every new page separates findings from theory and links to sources.
Gabby Petito, 22, was killed during a 2021 cross-country trip. The FBI concluded that Brian Laundrie was the only person directly involved after finding written statements in which he claimed responsibility; he died before any homicide trial.
Open case file →Kristin Smart disappeared from Cal Poly in 1996. Paul Flores was convicted of first-degree murder in 2022 and sentenced to 25 years to life; his conviction has been affirmed, while Kristin's remains are still missing.
Open case file →Selena Quintanilla-Pérez was fatally shot in Corpus Christi in 1995. Yolanda Saldívar was convicted of first-degree murder and denied parole in 2025.
Open case file →George Floyd died during a Minneapolis police restraint in 2020. Derek Chauvin was convicted of murder in Minnesota state court and separately pleaded guilty to a federal civil-rights violation.
Open case file →Ahmaud Arbery was pursued and killed in Georgia in 2020. Three men were convicted of murder in state court and later of federal hate crimes; the federal convictions were affirmed in 2025.
Open case file →Laci Peterson disappeared from Modesto in 2002. Scott Peterson was convicted of murdering her and their unborn son Conner; his convictions remain in force despite years of appeals and post-conviction litigation.
Open case file →A 17-year bombing campaign killed Hugh Scrutton, Thomas Mosser and Gilbert Murray. Ted Kaczynski was arrested in 1996, pleaded guilty in 1998 and received multiple life sentences.
Open case file →Matthew Shepard was murdered near Laramie in 1998. Russell Henderson pleaded guilty and Aaron McKinney was convicted at trial; both received life sentences.
Open case file →Seventeen people were killed and 17 wounded at Marjory Stoneman Douglas High School. Nikolas Cruz pleaded guilty to murder and attempted murder and received consecutive life sentences.
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Solved / AdjudicatedThree people were killed at the 2013 marathon. Dzhokhar Tsarnaev was convicted on all 30 federal counts; penalty litigation continues.
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SolvedOne of America's most notorious serial killers, executed in 1989.
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SolvedA Milwaukee serial killer convicted of multiple murders committed between 1978 and 1991.
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SolvedFollowers of Charles Manson committed a series of 1969 Los Angeles murders.
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SolvedTen murders around Wichita were linked to Rader, who pleaded guilty in 2005.
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SolvedInvestigative genetic genealogy led to Joseph DeAngelo after more than four decades.
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SolvedA parking record and wider inquiry led police to David Berkowitz in 1977.
Read case file →SolvedThe 1995 attack killed 168 people. Timothy McVeigh, Terry Nichols and Michael Fortier were convicted.
Read case file →Solved / AdjudicatedNine Mother Emanuel worshippers were murdered in a racist 2015 attack; Dylann Roof was convicted and sentenced to death.
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