FBI agents have interviewed current or former state employees in recent weeks about the Mariner East project, which has a long track record of drilling mud spills, fines and regulatory shutdowns.
A 12-year old boy suffered second degree burns. It's the same pipeline system that exploded in Westmoreland County two years ago that badly burned one man.
The pipeline has faced multiple violations and regulatory shutdowns, as well as strenuous opposition from citizens and watchdog groups who raise public safety concerns.
