He told his family he would only be gone an hour, so when it was 8 p.m. and he still hadn't come home, they began to worry. His younger brother started calling him, but he didn't pick up, according to police.
Diaz-Delgado would never make it home.
Instead, a passerby found his body the next afternoon, lying face down in a creek embankment, according to a probable cause affidavit by Detective Michael Castaldo of the Mercer County Homicide Task Force. Diaz-Delgado's hands were bound behind his back with pink duct tape and a black electrical cord. The same pink tape was wrapped around his neck and mouth, and he had been shot around nine times, the affidavit said.
Before his death, Diaz-Delgado had been communicating with someone through Facebook Messenger about purchasing a PlayStation 4, according to the affidavit. Diaz-Delgado was an avid gamer and had his own console, but wanted to get one for one of his younger brothers, who also enjoyed playing video games, NJ.com reported.
That someone was 29-year-old Rufus Thompson, according to police, who on Facebook went by "Ru Hunter" and "Ru Real Right." Detectives found messages between Diaz-Delgado and Thompson discussing areas in Trenton "in an apparent attempt to set up a meet location," the affidavit said.
Diaz-Delgado arrived with $240 in hand to buy the gaming system. But police say Thompson, a convicted burglar, had another plan in mind.
According to the affidavit, Thompson then made two ATM withdrawals totaling $700 from Diaz-Delgado's account. The ATM's security camera captured Thompson making the transactions, the affidavit said. Detectives also found photos of what appeared to be approximately $240 in $20 bills on Thompson's Facebook profile.
Detectives said there was never a PlayStation 4 console. A search of Thompson's residence revealed an empty PlayStation 4 box, pink duct tape and a TV with its power cord cut off, according to the affidavit.
On the same day the arrest was made, Diaz-Delgado's family and friends laid him to rest.
"He was a good person who glowed with the love of God and now he's dead," Diaz-Delgado's mother, Olga Diaz, told 6 ABC Action News.
Diaz-Delgado, who had 12 siblings, was active in his church's youth ministry and had been studying engineering at Mercer County Community College, NJ.com reported.
In addition to his love of video games, Diaz-Delgado enjoyed martial arts and track and field as well as camping, according to his obituary.
Diaz told 6 ABC Action News that her son "was a warrior," who "always fought to better himself."
"I want justice because everyday it only gets harder to deal with this," she said. "Why would anyone do this to a person who never hurt anyone? Now though, my son is in a better place."
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)