Recap / The X Files S 02 E 04 Sleepless

When Mulder's mysterious source gives him a tip on a case, Mulder is nonplussed to discover that it is already being investigated by another Agent, one Alex Krycek. The case involves a noted sleep scientist who shows every sign of having burned to death - except without any fire. Mulder and his new partner must work together to uncover a government atrocity 24 years in the making - but is Krycek all that he appears?