[DiogenesLamp]

On his FB page he says he likes the “ladies”

I could be completely wrong about this, but no other obvious reason is forthcoming to my mind as to why someone would kill four young men.

Any other guesses as to motive?

[Timpanagos1]

"Any other guesses as to motive?"

I am not a trained psychiatrist, but I'll go out on on limb here and suggest that Cosmo just might be a little off balance.

[Bonemaker]

And what kind of guys would hang out with this?

[Bonemaker]

And what kind of guys would hang out with this?

[Bonemaker]

And what kind of guys would hang out with this?

[AlaskaErik]

I could be completely wrong about this, but no other obvious reason is forthcoming to my mind as to why someone would kill four young men.

Drugs were involved. Nothing good ever happens when drugs are involved.