Complex sentence: Details on this occurence, as so often with cases of MPI, are nonexistent; the sparse records of this incident have been embellished and misquoted, so it is best to take the recorded chain of events with a grain of salt.
Split into simpler sentences: Details on this occurence, as so often with cases of MPI, are nonexistent. The sparse records of this incident have been embellished and misquoted, so it is best to take the recorded chain of events with a grain of salt.