The House Select committee didn't do a very good job and did not have access to accurate information. There has been, of course, plenty of investigating done on

The House Select committee didn't do a very good job and did not have access to accurate information. There has been, of course, plenty of investigating done on the assassination since then. A well-known overview is Gerald Posner's Case Closed, it goes over the deficiencies of that and many other assassination theories with a fine-toothed comb.