2017 stands out clearly — Conspiracy bars are by far the tallest that year. The simultaneous narcotics drop after 2015 suggests a deliberate investigative reprioritization toward organized crime and conspiracy charges.
Stacked Bar Chart — Non-Narcotics Offense Mix by Year
How conspiracy, racketeering, corruption, and homicide shift in proportion over time
Composition shift: Pre-2015, homicide & assault made up the largest share of non-narcotics wiretaps. After 2015, conspiracy dominates and has remained the #1 non-narcotics offense category every year through 2024.