Complex sentence: It began with an investigation on the TV program "Periodismo para todos" led by journalist Jorge Lanata, who described embezzlement and an associated money trail involving Argentine presidents Néstor Kirchner, Cristina de Kirchner and their employee, businessman Lázaro Báez.
Split into simpler sentences: It began with reports on the "Periodismo para todos" television program on the results of it investigation, led by journalist Jorge Lanata. Embezzlement and an associated money trail involved Argentine presidents Néstor Kirchner, Cristina de Kirchner and their employee, businessman Lázaro Báez.