# Sensitive Security Information (SSI) and Transportation Security: Background and Controversies
> **Short Report** · 2004-02-05 · `RS21727`
## Report
- **CRS ID:** RS21727
- **Series:** Short Report
- **Publication date:** 2004-02-05
## Documents
- [PDF](https://www.everycrsreport.com/files/20040205_RS21727_7c0e251741eeba0907b50ce0003f8924884bc5ae.pdf)
- [HTML](https://www.everycrsreport.com/files/20040205_RS21727_d3c63cddff4d5b1a603760bf3da4dd9cb06446cf.html)
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