PHOENIX (3TV/CBS 5) -- Police have arrested a 36-year-old man after they say he stabbed a 71-year-old man with a letter opener in Phoenix Saturday afternoon.
It happened around 3:00 p.m. in the area of 24th Street and Camelback Road.
Police say 36-year-old Anastacio Blanco Jr. was acting erratically in the parking lot of the Biltmore Fashion Park when he was yelling about "people trying to kill him."
Police added that Blanco jumped the wall of a condo complex just north of the mall where he encountered a man and a woman, both 84-years-old, inside their vehicle. Phoenix police say Blanco threw large river rocks at the victims, causing minor injuries.
Blanco then fled inside of the complex, where he climbed a tree and got on to the balcony of a condo.
Police say Blanco used rocks to force entry through the door, where he encountered a 71-year-old man and threatened to kill him.
According to Phoenix police, Blanco then grabbed a letter opener nearby and stabbed the victim numerous times.
Officers arrived on scene and arrested Blanco without incident as he was exiting the victim’s condo.
The victim was transported to the hospital with life-threatening injuries and his condition has stabilized.
According to police, Blanco exhibited signs of distress common with drug use and he was transported to the hospital as a precaution.
Blanco was medically cleared and later transported to Phoenix Police Headquarters where he admitted his involvement including his intent to kill the victim.
Police say this was a random act of violence.
Blanco was booked into the Fourth Avenue Jail for attempted homicide and several counts of aggravated assault.