I would urge everyone to watch the (above) entire video, but if time and/or patience are short, emphasize the medical analysis as per the below (i.e., to save you time):
The most important point starts at minute 50:00 (50:12). Other important points begin at approximately 44:00, 45:37, 48:40, 49:30.
Below is a video that suggests his strategy: attempt to ‘infiltrate ‘the right’ to then try to impress those in power on ‘the left’ so that they would appreciate and recognize his importance. Oswald’s strategy has confused observers ever since.
And remember, there doesn’t seem to be too much dispute Oswald shot at (and missed) right-wing General Walker. Further, that Oswald was capable of and did shoot Officer J.D. Tippit.