Aldrete's case is notable for the degree of organizational authority she held within the Matamoros cult, a group responsible for murders carried out in the belief that ritual killing provided supernatural protection for drug trafficking operations. Her role as a leader — rather than a peripheral figure — distinguished her from many others prosecuted in connection with cult-related violence of the period. The killings occurred along the U.S.-Mexico border in the late 1980s, a time and place where the intersection of narcotics trade and fringe religious practice produced several such groups.

Released from custody while still under suspicion in a murder case, Matencio went on to abduct and kill three people within two months, operating under invented group names to pursue ransom payments. The crimes set off a major regional manhunt and drew sustained press attention across Isère before his arrest came through an unexpected avenue — his voice recognized during a television broadcast. He was ultimately sentenced to life imprisonment for the three killings, while the original murder charge was later dismissed.

Reindel occupied a role that placed the machinery of state violence directly in human hands — serving as Royal Prussian executioner for a quarter century, he carried out 213 executions by axe across the Prussian provinces. His tenure was part of a longer family tradition stretching across generations, framing capital punishment in Prussia less as an exceptional act than as a hereditary trade. The international press treated him as spectacle, and the difficulties of his successors suggest that the work demanded a particular, unsettling reliability he had provided consistently for 25 years.

Over a span of roughly ten months, Goudeau carried out one of the more prolific individual crime sprees in recent American criminal history, operating in the Phoenix metro area while two other active serial killers were drawing the city's attention. The breadth of the charges — 86 felonies in total, including nine murders — reflects both the frequency and variety of his offenses against victims who were overwhelmingly women. His convictions resulted in nine death sentences running alongside a cumulative prison term exceeding 1,700 years.