The Effective and Uncommon Rat-Killing Techniques of NYC Exterminators

TL;DR
An exterminator in New York City, known as "Matt the Rat Killer," is using carbon monoxide to kill rats and then collapses their burrows. He believes that leaving the dead rats in the burrows deters other rats from returning to the area. This method has been effective in reducing the rat population in certain areas of the city, which has been plagued by a rat infestation problem.
- A NYC exterminator explains what happens to dead rodent bodies Business Insider
- Exterminator uses carbon monoxide to kill rats PIX11 News
- A night with the rat hunters - The Washington Post The Washington Post
- NYC's rat-killing method '100%' effective and will expand to new neighborhoods after UES success, pol says New York Post
- Uncommon rat mitigation technique nearly eliminating Upper East Side infestation PIX11 New York News
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