Complex sentence: He has appeared as an expert witness for the defense in the high-profile trial of Mir Aimal Kasi, the Pakistani national charged with the 1993 shootings at CIA headquarters in Langley, Virginia.
Split into simpler sentences: He has appeared as an expert witness for the defense in the high profile trial of Mir Aimal Kasi. The Pakistani national charged with the 1993 shootings at CIA headquarters in Langley, Virginia.