He said the police do not give special attention to any detainee in the facility.
She was sentenced to prison for 6 years and 1 month to 11 years for each case. She could also appeal the decision, which could drag on for several more years. Anti-Marcos activists and human rights victims welcomed the conviction as long overdue.
Imelda's son, also named Ferdinand, nearly won the separate election for vice president that year.
Marcos died in 1989 while still in exile. Her congressional term will end next year but she has registered to run to replace her daughter as governor of northern Ilocos Norte province.
Marcos said in a statement her lawyer is "studying the decision and he has advised us that he intends to file a motion for reconsideration".
Rosales said the decision was a huge setback to efforts by the Marcos family to revise history by denying numerous atrocities under the dictatorship, and urged Filipinos to fight all threats against democracy and civil liberties. Imelda's son Ferdinand "Bongbong" Marcos Jr narrowly lost the vice-presidential election in 2016, a result he is now challenging, and many see him as the natural successor to President Duterte.
Imee is running for the Philippine Senate in 2019.
The family's notoriety stems back to Ferdinand Marcos declaring martial law in 1972.
The guilty verdict against Imelda is the first to hold her criminally liable for hiding stolen wealth in Switzerland using shell foundations.
Presidential Spokesman Salvador Panelo said the Palace respects the decision of the Sandiganbayan on the case of Marcos and recognizes that such ruling should remind government officials to serve people with integrity.