This is the third or fourth stabbing in the last two weeks.

A 61-year-old man is in custody after police said he stabbed another man this morning after the two had an argument that began when the victim tried to swat the dog away in the Longwood Manor neighborhood.  …

An argument escalated and resulted in the stabbing of the younger man, said O’Brien.

The man was stabbed in the back and was taken to Advocate Christ Medical Center in serious condition, officials said.

via Chicago Tribune.

No word yet on whether or not Rahm is going to request a statewide registry on knife owners.