![The 2020 annual report of the National Park Service Investigative Services Branch (ISB).](/common/uploads/grid_builder/1563/crop16_9/12429A9E-FF1D-EC09-163C7ECD9FBC2B64.jpg?width=1300&quality=90&mode=crop)
2020 Highlights of ISB
The 2020 annual report of the National Park Service Investigative Services Branch (ISB), with case updates and features from the year.
![The 2019 annual report of the NPS Investigative Services Branch (ISB)](/common/uploads/grid_builder/1563/crop16_9/128EEC2A-086F-846C-379B18EEDC75BA97.jpg?width=640&quality=90&mode=crop)
2019 Highlights of ISB
Case updates and features from 2019
![An ISB Special Agent stands in a desert landscape.](/common/uploads/grid_builder/1563/crop16_9/58E4BE66-C78A-967E-1B4A3FE001A870DF.jpg?width=640&quality=90&mode=crop)
2018 Highlights of ISB
Case updates and features from 2018
![An ISB Special Agent steps onto the pontoon of a seaplane.](/common/uploads/grid_builder/1563/crop16_9/9C16EF59-974F-D27B-F96FC176DEA0F11D.jpg?width=640&quality=90&mode=crop)
2017 Highlights of ISB
Case updates and features from 2017
![An ISB Special Agent stands atop a steep hillside where another investigator is working.](/common/uploads/grid_builder/1563/crop16_9/9C5EEEED-0E7F-BA5F-74FF2E0E340E51F6.jpg?width=640&quality=90&mode=crop)
2016 Highlights of ISB
Case updates and features from 2016
![The 2015 annual report of the National Park Service Investigative Services Branch (ISB).](/common/uploads/grid_builder/1563/crop16_9/D6E2DA89-A2C1-B461-6A744F903B52E40A.jpg?width=640&quality=90&mode=crop)
2015 Highlights of ISB
Case updates and features from 2015
![The 2014 annual report of the National Park Service Investigative Services Branch (ISB).](/common/uploads/grid_builder/1563/crop16_9/D67FFB1F-EE08-A866-C7268A075ADF616D.jpg?width=640&quality=90&mode=crop)
2014 Highlights of ISB
Case updates and features from 2014
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Last updated: November 29, 2021