What new scientific advancement helped the FBI prove that a mafia gang was most likely involved in the St. Valentine’s Day Massacre?Group of answer choicesForensic analysis of bullet shells showed that the killers used Thompson sub machine guns (Tommy Guns)Video camera footage showed a gang leader was waiting outside the parking garageFingerprint analysis matched those of a mafia gang leader's fingerprintsDNA analysis matched hair samples found at the scene matched a gang leader's DNA
Question
What new scientific advancement helped the FBI prove that a mafia gang was most likely involved in the St. Valentine’s Day Massacre?Group of answer choicesForensic analysis of bullet shells showed that the killers used Thompson sub machine guns (Tommy Guns)Video camera footage showed a gang leader was waiting outside the parking garageFingerprint analysis matched those of a mafia gang leader's fingerprintsDNA analysis matched hair samples found at the scene matched a gang leader's DNA
Solution
The scientific advancement that helped the FBI prove that a mafia gang was most likely involved in the St. Valentine’s Day Massacre was the forensic analysis of bullet shells. This analysis showed that the killers used Thompson sub machine guns (Tommy Guns), which were commonly associated with mafia gangs during that time period.
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