non-consensual genetic testing

New Scientist has an investigation into companies offering surreptitious genetic testing - basically, providing analysis of DNA samples obtained without permission from others. Currently popular uses are searching for evidence of non-paternity or infidelity (by testing underwear for strange DNA), but obviously the potential exists to also look for markers of potential disease risk, a la Gattaca - an attractive prospect for employers, insurers, or those hunting for the flaw-free spouse. Human nature being what it is, there's little doubt that a considerable market for non-consensual genetic…