Scam.First they call You from a US telephone number.Second call is from hacked phone number from Sweden.Person present him self as “Lisa Sofer”She ask 2500 EUR in advance start “working” on the case.Absolute SCAM.Avoid them at all costs.This is an answer on their reply.”Lisa Sofer” called me twice. First several days before from an US number, after that from a swedish number asking for the money in advance no more no less than 2500 eur.Swedish number is not registed on any company is Sweden.I repeat and confirm. They are SCAM.