A CRAZY neighbour was found guilty today of murdering a father-of-three after threatening to commit a “massacre.”

After knifing Matthew Boorman 27 times, Can Arslan, 52, sat on his lifeless body and enjoyed a “triumphant” cigarette.

The beast then went on a violent spree, cutting at Matthew’s wife Sarah as she desperately sought to pull Arslan away from her husband.

He also attacked local Peter Marsden eight times after breaking into his home in Walton Cardiff, Gloucestershire, near Tewkesbury.

After being caught, barefoot Arslan could be seen smirking as he informed officers, “He’s dead, isn’t he?”

“I warned you, officers. One calendar year. Look at what occurred.”

Following a trial at Bristol Crown Court, Arslan was convicted guilty of the murder of 27-year-old Matthew.

He had previously pleaded guilty to attempted murder, GBH with intent to kill, and affray.

Locals have been seeking to evict Arslan for 12 years owing to his anti-social behaviour, according to the court.

The fight began after a disagreement about a “shared disc,” but it quickly escalated with threats to harm his neighbours.

Arslan would yell at them, “I’ll put you down,” and six months before the murders, he was recorded saying, “I’m going to f***ing do a massacre.”

The thug called his neighbours “motherf*****s” and “c**ksuckers,” and threatened them with rape.

He also harassed the Boormans by threatening them, “I’m going to bury you.”

While pretending to be on the phone in his back garden, Arslan would outline the harm he planned to inflict on them.

In May, the couple gave police a statement in which they detailed the threats they had received and stated that they dreaded being murdered.

Arslan retaliated by accusing cops of racially assaulting him and making a slew of counter-claims.

The day before the massacre, he cursed at a cop who phoned him about the complaint, threatening to “sort his neighbour out personally” and “kill him.”