| ▲ | 650REDHAIR 2 hours ago | |
I feel like I’ve read about three letter agencies using the humming of power lines to geo-locate where a video/audio was recorded. “Electrical Network Frequency (ENF) analysis”. I’m going to dig more and will leave some links when I get back to a computer. | ||
| ▲ | vhcr 2 hours ago | parent [-] | |
When, not where. | ||