Thousands Hunt for Treasure That May Not Exist

A journalist receives a call about a family's supposed inheritance in Switzerland and Spain. The Guzman family believes they have a fortune due to their ancestor's gold mining activities. The journalist helps connect them with a lawyer, but the investigation initially yields no results. Years later, the hunt resumes with new connections, but doubts arise as the journalist discovers inconsistencies. The realization dawns that the lawyer is running a scheme, charging clients for processing fees without any real progress.

How did the cousin contribute to the search for the inheritance?

What realization did the journalist come to regarding the lawyer's intentions?