They revealed which drugs one of the creators of Vine and the HQ Trivia app had consumed before his death.

The creator of the Vine video website and the HQ Trivia app, Colin Kroll, died of an overdose of fentanyl, heroin and cocaine.

The New York City authorities have reported these facts, confirming that the death of the businessman was accidental.

His remains were found after his partner had warned the police that he had not been able to contact Kroll for days.

The woman and a group of security force agents finally entered her apartment in the Soho neighborhood of New York and found her body in the bedroom.

Marijuana and heroin have also been found, as well as an envelope containing cocaine.

At that time, Kroll was facing a human resources complaint filed by an employee of QG Trivia who called him "aggressive manager"

The young technology entrepreneur had been appointed CEO of QG Trivia in 2015, an entertainment application running on a televised Q & A game. Previously, he was co-founder of I came with Rus Yusupov.

When Twitter bought Vine, they brought Kroll on board. However, 18 months later, he was fired because of his "management attitudes" and his behavior towards employees, especially towards women.

Five of his former colleagues said that Kroll also had a reputation for being late and having a hangover at work. Supposedly, that was another reason he had been fired from Twitter.

His colleagues described him as "abrasive and selfless"and they said it could be"verbally abusive"

Colin Kroll's father said he knew his son was using drugs for recreational purposes. "I think the city of New York has a little affected, it takes a big restriction to lead a disciplined life there," he said.

Fentanyl crisis in the United States

Other artists like Mac Miller, Prince, Tom Petty and Lil Peep, died from the abuse of this substance.

Last week, it was revealed that an overdose of fentanyl in New York they had increased by 3,000% between 2014 and 2017according to local media data.

This drug was originally developed in Belgium in the 1950s and one of its main functions was to help cancer patients manage pain.

However, given its extreme power, up to 50 times stronger than heroin, has become popular among recreational drug users.