I read the article in the NY Post that you reference. It doesn't even come close to proving or even justifying your claim that ". . . Obama supported the murders of cops . . ." The article calls into question the language Obama used in criticizing instances of some police responses in black communities and when arresting blacks, saying in some instances "racism" may be involved, and that language like that from the president may inflame or may be used as justification by some people to shoot police officers. 
In my mind, whether or not I agree with it, that's a fair point to bring up. We all need to be careful of the words we use when discussing highly charges issues. But that is a far, far cry from what you said in your statement that ". . . Obama supported the murders of cops." It's a lie, sir. Pure and simple. You know it. I know it. And anyone who objectively reads the article knows it.
What your motive is in making such an ignorant, prejudicial statement, only you and God know.