HOUSTON -

 Police are trying to track down the person who stabbed a man to death during an argument.

It happened outside the victim's home on 4200 Brinkley and Cullen around 11 p.m. Thursday.

Investigators said two men started arguing and at some point the suspect pulled out a knife and stabbed the man an unknown number of times.

That male victim was rushed to Ben Taub Hospital, where he later died.

Police have yet to establish a motive for the stabbing.