"The warehouse was filled with over $3 million worth of hydroponic marijuana and the organization covertly produced nearly 3,000 marijuana plants," Crowell said.
Flores, the warehouse neighbor, says agents spent the full day clearing out the warehouse.
"They were bringing out boxes into unmarked vans. It smelled funny," he said.
A search of Sanderlin's property uncovered books on laundering money and how to grow pot along with equestrian gear, officials said.
She is an avid fan of riding horses and is believed to have lived in tony Scarsdale for six months.
Scarsdale neighbor Libby Barnea says she didn't know the family, but couldn't believe the news.
"I would never have thought anyone in Scarsdale would be involved in the pot-growing business," Barnea said.
The investigation began in April when, court records say, a confidential witness told authorities a woman named "Andi" was growing marijuana in a building in Queens that houses a company known as Fantastic Enterprises.
Suspicions were bolstered when the local utility told authorities Fantastic Enterprises "was using an unusually high amount of electricity."