"Further action can be taken if circumstances require," Kerri Kupec, spokesman for the US Department of Justice, told CNN.

According to anonymous sources to the AP, the detention center, where Jeffrey Epstein sat suspected of trafficking and sexual abuse of minors, has broken in his routines. Among other things, they should have spent several hours between the guards' checks on Epstein, which should really be done every half hour.

Fear of island

Alongside the investigation into Epstein's death, the investigation is also ongoing of the crimes he suspected. On Monday, the US federal police executed a scare against the billionaire's private island in the Caribbean. According to CNBC News, FBI agents are bringing along computers from the island.