Police say a Miami man used a kitchen knife to stab another man to death while he was sleeping on a couch in a Miami Beach apartment.
Humberto Armenteros, 32, was arrested Friday on a charge of first-degree murder.
According to a police report, Armenteros stabbed 42-year-old homeless man Charles Mensah with a kitchen knife.
A witness told police that Armenteros repeatedly stabbed Mensah while he was asleep on a couch in the witness's apartment.
According to the report, Armenteros later admitted to stabbing Mensah several times with a knife he had gotten from the kitchen.
No motive for the stabbing was given.