alt Hacker NewsHere it is.
There's an enormous drop in edit: late 2019, and the second drop starts in 2023.
https://www.sanfranciscopolice.org/your-sfpd/policies/depart...
> Starting on March 19, 2024, Flock Safety began installing ALPR cameras in various strategic locations across San Francisco. This rollout is expected to take place over the next 90 days. Per 19B ALPR policy, the administration of the Flock ALPR system is the responsibility of the Investigations Bureau.
How did the Flock cameras cause two crime drops before their installation?
The article's note about 2018 is talking about extending backwards, not forwards. It's entirely accurate, and a direct quote from your link.
that drop is obviously in early 2020, not 2019 and there is no way you can look at that chart and describe car breaks ins as a "COVID blip"