Complex sentence: Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) visit the morgue, where they find Betts' head in a medical waste dumpster.
Split into simpler sentences: Fox Mulder (David Duchovny) and Dana Scully (Gillian Anderson) investigate the case. After visiting the morgue, they find Betts' head in a medical waste dumpster.