Federal prosecutors have arrested one senior private banker working at Credit Suisse in America, in the month of January. The arrest was linked with a federal probe into offshore accounts. The authorities came to know of his identity from a prosecuted UBS banker, as stated by court papers that got unsealed on Tuesday.

Christos Bagios, the banker from Credit Suisse, worked at UBS, UBS is a Swiss rival company to Credit Suisse. Bagios worked there from the year of 1999 to the year of 2008 before joining Credit Suisse in the month of February of 2009.

AT UBS Renzo Gadola was one of his superiors. He is a Swiss citizen who worked from 1995 to 2008 at UBS. Gadola was a senior private banker as well as the executive director of the division that monitored the undeclared offshore private banking services of UBS for rich Americans. Mr. Gadola had quit UBS to form another company named RG Investment Partners, which is an investment advisory company in Zurich.

Mr. Bagios is Greek citizen and a Swiss resident who got arrested in the month of January. The criminal charge against him does not state the time in New York and charged him with fraud and conspiracy. The complaint that got unsealed on Tuesday also stated that prosecutors came to know about Mr. Bagios’s involvement while interviewing Mr. Gadola, very recently.

Gadola informed an I. R. S. agent on Jan. 26, 2011, that both he and Christos Bagios were in a team of UBS bankers who examined several undeclared accounts at UBS which were owned and controlled by American taxpayers as stated by the indictment, which got filed in Federal District Court of Fort Lauderdale in Fla.