COLORADO, US — A twenty-two-year-old man shot and killed his 19-month-old daughter, Mia McKoy-Phanthavongsa, before turning the gun on himself on Tuesday. 

Merrick McKoy captured the moment just before he shot his own daughter and then wrote about it on Facebook.

The New York Daily News Online said just before McKoy shot his daughter in the head, he posted a photo of the two together and made several social media posts explaining his motive.

“I told u I can’t live without u lol u thought I was joking now me n Mia out this b—-,” he wrote on his Facebook page.

The little girl’s mother, Kim Phanthavongsa, 21 had an active restraining order against McKoy following domestic violence incident. McKoy was charged with assault, burglary, trespassing and harassment, the article said.

The Monday shooting was his only way out, he reasoned in his final Facebook post. It came five minutes after the photo of him and little Mia was posted to the social media site – and as responding cops tried to get into the apartment where the man had barricaded himself. 

“Don’t judge me had no choice,” he wrote.

Phanthavongsa, 21, frantically phoned police to report McKoy was in her apartment with a gun. She said they had a heated argument earlier and she stormed out.

McKoy shot the girl in the head and then turned the gun on himself. 

Lastest reports said the McKoy is currently on life support.

According to post on Facebook by relatives, Mia had just hit had just hit a major milestone — her first steps.