Complex sentence: Ling suffered a lost of memory since that incident and cannot recall the events leading to Tai's attempted murder however as Ling sifts through the clues, he finds that all the evidence is pointing toward himself as the murderer.
Split into simpler sentences: Ling suffered a lost of memory since that incident and cannot recall the events leading to Tai's attempted murder. As Ling sifts through the clues, he finds that all the evidence is pointing toward himself as the murderer.