On January 2, 1999, 11-year-old Mikelle Biggs disappeared from her Mesa, Arizona neighborhood without a trace.
In just 90 seconds, Mikelle was gone.
Many years later, her case remains one of the most heartbreaking unsolved cases in Arizona’s history.
Despite extensive searches and countless leads, answers have remained out of reach.
In this article, we look back at the day Mikelle vanished, the efforts to find her, and the unwavering determination of a family still hoping for justice.
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| Mikelle Biggs |
Mikelle Biggs: A Bright Life Cut Short
Mikelle Biggs was born on May 31, 1987, to her parents, Tracy and Darien Biggs.
She grew up wiith her parents and younger sister Kimber, and family meant everything to her.
From an early age, Mikelle developed a love for art and dreamed of becoming a Disney animator.
Accordng to NBC, she began taking art classes at just four years old, eager to grow and refine her talent.
Mikelle also loved reading.
She spent a lot of time with her books and even joined her school’s book club according to her mother.
Besides her love for art, Mikelle played the clarinet in the school band, loved to sing, and was part of the Future Scientists and Engineers of America Club.
She also showed leadership by being a member of her school’s student government.
Mikelle’s parents described her as kind, loving, and full of promise, and her sudden disappearance has left them heartbroken and devastated.
The Day Mikelle Biggs Disappeared
At around 6 p.m. on January 2, 1999, 11-year-old Mikelle Biggs and her 9-year-old sister Kimber played outside their home in Mesa, Arizona, with other children from the neighborhood.
The sisters were eagerly waiting for the ice cream truck, with Mikelle holding some coins in her pocket, ready to buy a treat.
Their mother, Tracy Biggs, watched from the porch swing alongside a cousin before both women went inside.
Minutes later, Kimber followed them indoors, and told them that the ice cream truck hadn't arrived.
Tracy asked her to go back outside and tell Mikelle to come in.
When Kimber returned to the street, she found only the pink bicycle Mikelle was riding lying on its side in the road, one wheel still slowly spinning.
The coins meant for ice cream were scattered on the pavement nearby.
Mikelle was gone.
Kimber immediately alerted her mother, who searched nearby yards before calling the police for help.
The entire disappearance happened in just about 90 seconds—the short time between Kimber going inside and returning to find her sister gone.
The Search and Investigation
The search for Mikelle Biggs began immediately after her sudden disappearance.
Before calling the police, Mikelle’s mother, Tracy, reached out to a friend from their church for assistance.
Within minutes, 50 to 60 church members began searching the neighborhood, and by the time officers arrived, volunteers were already scouring the area.
The Mesa Police Department launched an intensive search that first night, but sadly, it yielded no results
Officers conducted door-to-door interviews while others checked nearby streets and yards.
Helicopters circled overhead, scanning the area with search lights but they couldn't find Mikelle.
At this point, investigators eliminated the possibility that Mikelle had simply wandered off or hidden.
In the following days, the operation expanded into one of Arizona's largest missing person cases.
Police distributed thousands of flyers with Mikelle's description.
She was 4'8", 65 pounds at the time, and she was last seen wearing a red shirt with a white stripe and designer blue jeans.
National media like America's Most Wanted covered the case, generating hundreds of tips that detectives pursued without success.
Despite one of Mesa's most extensive investigations - with detectives interviewing over 1,000 people according to later reports - no trace of Mikelle was ever found.
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| Dee Lee Blalock |
The Person Of interest and Police Theory of What Happened
After a thorough investigation, police named a man, Dee Lee Blalock, as the main person of interest in Mikelle Biggs' disappearance.
At the time, Blalock was Mikelle's neighbor and a registered sex offender.
He lived just down the street from the Biggs family.
Police reports showed that he was classified as a high-risk offender among other offenders in the neighborhood.
Initially, Blalock's wife and sister-in-law provided him with an alibi, telling police he was inside their home watching football during the time Mikelle vanished.
This led the police to rule him out as a suspect at the time, though they still had their doubts.
However, after Blalock was imprisoned in 1999 for unrelated sex crimes against another woman, both women changed their statements.
They confessed to lying and stated that Blalock had left their home between 5:30 and 7:30 p.m.—the exact time frame when Mikelle vanished.
Investigators have developed a specific theory about what occurred, according to NBC News.
They believe Blalock was drinking beer in his garage while watching football that evening.
When he saw Mikelle alone outside - her sister having briefly gone inside - he seized the opportunity.
Police suspect he abducted Mikelle within that critical 90-second window, then likely sexually assaulted and killed her shortly afterward.
Blalock has repeatedly denied any involvement in Mikelle's disappearance.
During a prison meeting with Mikelle's parents, he claimed to have multiple personalities and insisted he couldn't be held responsible for what "other personalities" might have done.
The case against Blalock remains circumstantial.
Without Mikelle's remains or concrete forensic evidence directly tying him to the crime, prosecutors have been unable to file charges.
However, investigators still believe Blalock was responsible, pointing to his close proximity to the crime, his history of violent sexual offenses against children, and the recanted alibi.
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| Mikelle Biggs, Her Father and her sister Kimber |
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| Mikelle’s sister |
Recent Developments/ Ongoing Efforts
Over two decades after Mikelle Biggs vanished, the search for answers continues.
The Mesa Police Department continues to review old evidence and apply new forensic tests as technology improves, hoping to finally find answers.
Detective Paul Sipe, the lead investigator assigned in 2024, has stated the case remains active, with police still hoping for a confession or new evidence that could finally provide closure.
Blalock remains incarcerated in an Arizona prison, where he is serving a 187.5-year sentence for unrelated crimes.
In October 1999—just ten months after Mikelle's disappearance—he was convicted on seven felony counts for the violent sexual assault of another neighborhood child.
Many years after Mikelle Biggs disappeared, an unusual potential lead surfaced in 2018 when a dollar bill was discovered in Wisconsin.
The bill contained a handwritten message that read: "My name is Mikel B iggs kidnapped from Mesa, AZ I'm Alive."
Authorities and the Biggs family quickly concluded that the message was likely a hoax..
Two key factors undermined its credibility:
1) The name was misspelled as "Mikel Biggs," with an odd space and the second "l" missing. This error was something Mikelle, who was 11 at the time, would have been unlikely to make.
2) The bill itself was dated 2009, a full decade after Mikelle vanished in 1999, making the timeline impossible.
The Biggs family found the incident particularly painful, with Mikelle’s sister, Kimber, describing it as "a cruel prank or thoughtless action."
Also Kimber has transformed her family’s tragedy into advocacy.
Through her work with the National Criminal Justice Training Center, she educates law enforcement on improving responses to missing children cases.
She also maintains the Justice for Mikelle Biggs Facebook page, ensuring her sister’s story stays visible.
Mikelle’s mother Tracy Biggs has said they’ve accepted the likelihood of Mikelle’s death but still seek two things: to recover her remains and to hold her abductor accountable.
‘We still would like to find her body and have closure that way,’ Tracy Biggs told NBC Dateline.
‘We would like to find out who did it and make sure that they are accounted, you know, for their crime, and off the streets and can never hurt anybody else,' she added.
Mikelle’s disappearance remains one of Arizona’s most haunting unsolved mysteries.
Despite the years, investigators believe the case can still be cracked—whether through advanced DNA analysis, a confession, or a witness finally coming forward.
For now, Mikelle’s story endures as a reminder of both the fragility of safety and the resilience of hope.
Anyone with information is urged to contact the Mesa Police Department at (480) 644-2324.
Additionally, if you have a missing loved one, don't lose hope.
Police sometimes use these DNA databases to find relatives of missing and unidentified persons, and your DNA might be the key to bringing someone home.
Thanks to improvement in DNA technology, many families have been reunited with lost loved ones after many years — and it’s still possible for yours too.
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