DETROIT (Michigan News Source) – Police in Livonia police say they seized more than 90 pounds of fentanyl, 100,000 pills, weapons, and money after three raids at locations in Detroit and Clinton Township.

Livonia Police Capt. Greg Yon said the investigation started last September when an officer pulled over a suspect. That triggered raids at homes in Clinton Township and Detroit, along with a gas station in Detroit last week.

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In addition, police say they seized meth, cocaine, various weapons, and $150,000.

The Drug Enforcement Agency (DEA) said 90 pounds of fentanyl is enough to kill 20.4 million people.

Yon said the drugs seized amount to a value of $4.5 million.

Federal court documents reveal the suspect who was pulled over cooperated with the investigation and named Barry Willis with the sale and distribution of heroin. He faces several drug charges.