Abbey5,
Excellent post and excellent points. I'd have to take a guess, but I think the coroners role back in the 60's was much differently defined as it is today. It may have been an election year ( I don't know if it was or not) and he may have been voicing his frustrations the area was growing faster than LE could keep up...... This is where Shadowangel's knowledge would be helpful because he is much more experienced with many cold cases, where this is really the first I have delved into so deeply.
The coroner may have known from his experience Jury's would not return with a guilty verdict without a murder weapon according to 1960's standards. We know differently today based on forensic science.
I disgree with the Feb 20th statement these were traits of a female perp so to speak. It seems limited to me, as if a statement was being made like men are more 'wild wild west' angry in how they commit murders and a passionate but angry female would have lost it in such a manner. I don't want to come across as saying it was a sexist statement because I hate labeling in that manner.... I try to remember the times were so different then..... and LE's training, education and resources were so limited then at least in DuPage.
I do find myself curious though to see if this Coroner had any ties to the Klein family. For no other reason than if we found some perhaps it would mean they did a less than what could have been done to solve this case.
I'm not saying a tie would be definative proof but it would give me hope the possibility exists.
I remind myself of what Commander Mark Edwalds told me about this case in my last telephone call to him. "we are aware of the mistakes made on this case back in the day" - paraphrased. That gives me hope.. it tells me they know what went wrong and are reviewing each step that was not taken properly back then......
I also think that libel/slander suit LS filed

furious

back then put the breaks on any further media info until LE had more proof according to 1966 standards.
JMO