Section 4 of 6
The Registers
Once profiles could be stored as numbers rather than films, the question stopped being how to read one and became who is kept on the list, and for how long.

Entries in this section
The databases, and the rules about them. 6 entries.
- Entry 4.01National DNA DatabaseA retained collection of profiles, and a continuous argument about who should be on it and for how long.
- Entry 4.02CODISThe American index is a set of core sites plus rules about what may be searched against what.
- Entry 4.03The Interpol GatewayCross-border comparison needs agreement on which sites everybody reads.
- Entry 4.04S. and MarperA European court judgment in 2008 held that indefinite retention of profiles from people not convicted was disproportionate, and the law changed.
- Entry 4.05Familial searchingSearching for a partial match to find a relative rather than the person turns a register into something wider than it was authorised to be.
- Entry 4.06Genetic genealogyComparing a crime-scene profile against public genealogy data reaches people who never consented to be reachable.
Other sections
Every entry on the site is reachable from the whole register.