Where is Daniel Greene now? ‘Dateline NBC’ delves into Baltimore’s ‘obsessive stalker’ case who killed ex-lover’s boyfriend
BALTIMORE, MARYLAND: After fatally shooting Jon Hickey, a dedicated Baltimore volunteer firefighter, Daniel Greene was convicted and subsequently sentenced to life in prison, with an additional 20 years.
Presently, he is serving his sentence at Maryland's Department of Corrections, housed in the Western Correctional Institution located in Cumberland, Maryland.
The firefighter was tragically killed by Daniel Greene, as the motive behind this heinous act was rooted in a love triangle involving Jennifer McKay, Jon Hickey's girlfriend and Greene's ex-lover.
When McKay ended her relationship with Greene and began dating Hickey, it sparked intense jealousy and emotions in Greene.
Fueled by feelings of betrayal and the emotional turmoil of seeing McKay with someone else, Greene's jealousy escalated to the point where he broke into Hickey's apartment armed with a gun and fatally shot him in the head.
The tragic events unfolded on November 30, 2017, leading to the loss of Jon's life. The love triangle and Greene's inability to cope with the breakup ultimately culminated in this violent and devastating incident.
Dateline NBC's Season 32 Episode 30 titled, "The Killer on Camera 4" reveals chilling details of Jon Hickey's murder. The official synopsis reveals, "Dennis Murphy reports on a case in which security cameras play a key role in a murder investigation."
Who is Daniel Greene?
Daniel Greene, a married man with two children, engaged in a 5-year long on-and-off sexual relationship with Jennifer McKay for several years. He deceived McKay, his mistress, about his marital status, claiming to be divorced and having custody of the children.
The relationship took a turn when McKay left him in September 2017 for Hickey. Unable to cope with the breakup, his jealousy and anger escalated, leading to the tragic act of killing Jon Hickey.
Daniel Greene was convicted on charges of first-degree murder, home invasion, and other firearms offenses, according to WBALTV11.
Was Daniel Greene married?
Daniel Greene was married to Jennifer Greene and had two children together. She testified against her estranged husband during his trial.
She revealed that Greene was leading a double life, being married to her and having a girlfriend, Jennifer McKay, on the side. “He was living a double life,” she told the jury. “He had his wife and kids at home and his girlfriend on the side, ” according to WBALTV11.
According to her testimony, Daniel concealed this affair through deceptive means. He used business trips, a corporate credit card, forged divorce papers, a fake custody agreement, and even set up a staged bachelor's pad to maintain the illusion of being single.
To further cover up his actions, Greene moved furniture from a two-bedroom apartment into a home on the Pennsylvania border that was undergoing renovation.
He also engaged in illegal practices like hooking up electricity covertly and hiding his car to avoid detection. “He hooked up the electricity illegally,” she said. “He was hiding his car around the back so I wouldn’t see it.”
Why did Daniel Greene kill Jon Hickey?
Daniel Greene killed Jon Hickey due to a complex and tragic love triangle involving Jennifer McKay, his ex-lover.
When McKay ended her relationship with him and began dating Jon Hickey in October 2017, it triggered intense jealousy and emotions in Greene.
Driven by feelings of betrayal and fueled by the emotional turmoil of seeing McKay with someone else, Greene's jealousy escalated into a violent act.
In a misguided attempt to reclaim McKay's affection and eliminate what he perceived as a rival, Greene broke into Jon Hickey's apartment and fatally shot him in the head on November 30, 2017.
How did Daniel Greene kill Jon Hickey?
Daniel Greene killed Jon Hickey by breaking into his apartment armed with a gun. The surveillance footage revealed that Greene entered through a window and later left through the back door, holding a firearm. Once inside, he fatally shot Jon Hickey in the head.
Greene was accused by prosecutors of shooting Baltimore County volunteer firefighter John Hickey in the head while he slept in his Upper Fells Point apartment in November 2017.
No gun or weapon was ever found in the case, but Daniel Greene's arrest relied on substantial evidence, particularly video footage capturing his break-in into Hickey's apartment.
Additionally, he was discovered using his wife’s laptop to repeatedly visit the Facebook pages of the new couple and search for Hickey’s address online.
Kim Hickey, Jon Hickey’s mother, expressed the need for justice after six years to find closure for her son's case. She emphasized her exhaustion with the prolonged legal process, stating the urgency for resolution.
“After six years, I need justice for my son so I can get my closure. I’m tired of it. I need to have this done," she said.
Was Daniel Greene sentenced to life imprisonment?
Daniel Greene received a life sentence plus 20 years from the Maryland state's attorney's office for the murder of Jon Hickey.
Greene's conviction on June 23, 2023, included charges of first-degree murder, home invasion, and the use of a handgun in a violent crime.
He was arrested in December 2017, and a jury found him guilty in June on multiple charges related to the crime.
Beth, Daniel Greene's mother, expressed empathy for the tragedy that occurred involving Jon Hickey but maintained her belief that her son was not responsible for the crime.
Despite the evidence presented during the trial, Beth adamantly insisted that Daniel was not the killer. She raised doubts about the prosecution's case, suggesting that the narrative constructed by the police did not accurately reflect her son's actions.
“It breaks my heart that the Hickeys are going through this. To lose your child and a friend and nephew, and then have the state telling you, ‘Well, that man did it and we’ve got him arrested,’ and I know that’s not the murderer, and you have never really gone out and looked for the man who killed that young man,” Beth Greene said.
'Dateline NBC' Season 32 airs new episodes every Friday at 8 pm ET on NBC and is available for streaming on Peacock the following day.
