Dhaka, March 28 -- In rural New Hampshire, a compound on a 156‑acre estate dubbed "Tucked Away" became Ghislaine Maxwell's final residence before she was charged and arrested in July 2020.

Behind the cash purchase of the $1.1 million home in December 2019 were funds sent by Swiss banking giant UBS on Maxwell's behalf a month earlier, documents in a cache of files released by the Department of Justice related to the convicted sex offender Jeffrey Epstein show. The money then cascaded through a web of trusts and banks to buy the secluded property as she sought to go into hiding.

UBS processed the transfer for an account linked to Maxwell three months after US criminal investigators issued the bank a grand jury subpoena to divulge in...