This federal investigation has now reportedly extended to northwestern Michigan and involves what officials refer to as 'hazardous materials.'
According to Leelanau County Sheriff's Office, FBI agents raided two homes in Suttons Bay, Michigan. The Houston Chronicle is reporting, both properties are owned by the same couple who own the homes that were searched in the Houston-area.
The Leelanau County sheriff's office posted on its website, up to 60 investigators are involved and agents used hazardous material protective clothing while executing the warrants starting Friday morning.
Investigators say there was no danger to anyone near the search sites in Leelanau County.
At the same time, Friday morning, federal investigators began searching one home in Rice Village, a condo in Bryan, Texas and a home in the Memorial-area.
"We came across a first potentially volatile substance and conducted the first controlled detonation and then being able to go back in the residence," said Shauna Dunlap with the FBI. "We came across a second potentially volatile substance."
On its website, Leelanau County authorities say their investigation is related to a case in 'other states' but doesn't specify where.
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