According to the email, the former Glendale Mountain Ridge High School star became upset with staff at the funeral home, shouting at them and making threatening gestures.
Police in Scottsdale, Arizona, said the 35-year-old had been taken into custody on charges of disorderly conduct and making threats.
No additional details were available.
"Richie Incognito showed up there, mad at the employees there and said that he wants to kill someone", a woman said on the phone call. This is the second time he has been in police custody since being released from the Buffalo Bills' retired list in May. Both his vehicle and the weapons were impounded.
Nationals won't trade Harper; Dodgers were mystery team
Fancred's Jon Heyman reports the prospect going to the Nats in the trade is infielder Andruw Monasterio. Daniel Murphy has been claimed off revocable waivers, according to a report in the New York Post.
Incognito has dealt with mental health issues in the past and was placed in a psychiatric hold in May after he was involved in an altercation at a Florida gym. Once on scene, officers detained him as the incident was investigated.
Over the weekend Incognito tweeted that his father died on Saturday.
Incognito's entire offseason has been unusual and at times, troubling.
There was another ugly incident in August, when he aimed profanities at the Minnesota Vikings coach, Mike Zimmer, on Twitter. "I've been a bit off the reservation lately", Incognito wrote.
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