moving information potentially from government sources. and there are allegations also involving insider trading in alaska tonight. we first brought you information about the mine itself and its potential impact on spawning salmon grounds. drew griffin has the exclusive details of this latest development. an environmental group has filed an sec complaint asking for an investigation. it alleges that someone in the trump administration had tipped off the mining company that good news was coming their way. here's drew's report. >> reporter: the pebble mine is controversial because of its potential to pollute pristine rivers, creeks and lakes that feed into bristol bay, where 35 million wild sock eye salmon return to spawn every year. under president obama, the epa in 2014 put a special protection on the sensitive watershed, making it almost impossible for northern dynasty, the mine's canadian parent company, to get a mining permit.