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A former police detective involved in the investigations of roughly 250 sudden infant death syndrome (SIDS) cases claimed that roughly 50% occurred within 48 hours of a vaccination.
In a video interview today with The Defender, the detective, who gave only her first name, “Jennifer,” said she and her husband were detectives in the police department of a major U.S. city with a population of over 300,000 for a combined seven years, from roughly 2003 to 2010.
Jennifer said she is keeping her last name and city name undisclosed to protect her family. She said:
“The pharmaceutical industry does not want to be threatened by those sorts of secrets coming out. So, I’m a mother of many children, and their safety is my number one priority, my family’s safety. I’m a mama bear before I’m anything else.”
Jennifer said she hadn’t initially questioned the safety of vaccines. But that changed when she noticed a recurrent pattern among the police reports for SIDS cases in her unit.
“I’m like, what is the main thing that is true with all of these, the recurring theme with all of these babies? And that’s that they were recently vaccinated,” she said.
She estimated that around half of the SIDS cases involved babies who had received a vaccination in the 48 hours before their death and a “pretty decent number” of additional cases had received a vaccination in the week before their death.
The pattern was strongest among 6-month-olds, she said.
What particularly concerned Jennifer was that although the police reports noted these babies’ recent vaccinations, that information went unmentioned on the county coroner’s autopsy reports and death certificates.
“It didn’t make sense to me,” she said.
She discovered it wasn’t just her county coroner. Coroners across the U.S. are trained not to record vaccination information on autopsy reports, she said.
Some states are working to change that.
In May, Oklahoma and Louisiana passed legislation that amends existing public health law by directing coroners to document any vaccines administered within 90 days of death on autopsy reports for children under age 15 who died unexpectedly and without explanation.
Pediatrician: ‘The threat of death in SIDS is real’
Jennifer’s realization that many SIDS deaths happened soon after vaccination prompted her to start researching vaccines.
Around that time, she and her husband were looking for a pediatrician for their children. Jennifer told the pediatrician about the SIDS pattern she saw and that she and her husband did not want to vaccinate their kids.
The pediatrician acknowledged that there are risks with vaccination and said he would respect their choice, Jennifer said.
He shared that he once vaccinated a baby for hepatitis B, and it died the next day. “He’s like, I 100% believe that it was that vaccine,” she said.
The pediatrician told Jennifer he had many parents of unvaccinated kids whose medical files are super thin. The medical files of the vaccinated kids he served are really thick, he said.
Jennifer, who also shared about her conversation with the pediatrician in a 2023 interview with Steve Kirsch, told The Defender:
“He goes, there is a downside to vaccines. First of all, the threat of death in SIDS is real, and he’s like, it messes with the immune system, so it opens the door to asthma, allergies.”
The pediatrician told Jennifer that he was not supposed to tell parents any of this.
“He’s like, in fact, the American Academy of Pediatrics (AAP) actually trains us on how to deflect when parents think that their child’s having a vaccine reaction or that they’re hesitant. We’re supposed to deflect and tell them those are unrealistic fears and that it’s just coincidence that this happened after the vaccine,” Jennifer said.
But his conscience wouldn’t let him do that, he told her.
Journal removes peer-reviewed analysis showing potential SIDS-vaccines link
The public debate about a possible link between vaccines and SIDS has recently heated up.
Last week, Idaho mother Andrea Shaw — whose twin babies died eight days after receiving their 18-month vaccines — was arrested for allegedly murdering her twins. Shaw said doctors ignored her when she warned that the twins’ father had previously experienced a bad reaction to a flu vaccine.
Last month, U.S. Health Secretary Robert F. Kennedy Jr. and Sen. Ron Johnson (R-Wis.) wrote to the journal Toxicology Reports, demanding to know why a 2021 peer-reviewed paper that presented data suggesting a possible link between vaccination and SIDS was recently removed from the Toxicology Reports website.
In a June 29 letter, Johnson called on the editor-in-chief of Toxicology Reports and the CEO of Elsevier, which owns the journal, to release all records related to the decision to remove vaccine researcher Neil Z. Miller’s analysis: “Vaccines and sudden infant death: An analysis of the VAERS database 1990-2019 and review of the medical literature.”
The analysis lined up with what Jennifer witnessed in police reports following SIDS deaths.
Miller found that from 1990 to 2019, many more SIDS reports were filed in the Vaccine Adverse Event Reporting System (VAERS) in the first few days after vaccination compared to later on after vaccination.
The paper also included a comprehensive review of the scientific literature on vaccines and SIDS, including documentation of large increases in SIDS rates following the rollout of national immunization campaigns and case reports of SIDS in babies who were recently vaccinated.
Although Toxicology Reports published Miller’s analysis in June 2021 after it passed the peer-review process, the journal on April 9 posted a removal notice for Miller’s article, citing “serious methodological flaws.”
Miller told The Defender in an earlier interview why he believes the removal was unjustified. He said:
“The core findings of my paper — the temporal clustering of infant deaths in the immediate post-vaccination window, the historical SIDS rate spike following the national immunization campaign, the full literature review — remain unrefuted.
“No one has engaged with the data. They simply made the paper disappear. That should concern every parent, every researcher, and anyone who believes science advances through open inquiry rather than institutional gatekeeping.”
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ICD revision eliminated vaccination as official cause of death
Research published since Miller’s analysis has also suggested a link between SIDS and vaccines. For instance, a 2025 study suggested that infants with underdeveloped liver pathways may be more susceptible to SIDS after vaccination, because their bodies cannot process toxic chemicals present in small quantities in vaccines.
The SIDS diagnosis didn’t exist until the late 1960s, when the category was created in response to a rise in sudden unexplained infant deaths.
In the early 1960s, the number of vaccines administered to most U.S. infants increased, according to Miller’s analysis.
As SIDS rates rose, so did parental concern that SIDS was connected to vaccination. However, health officials assured parents that unexplained death following vaccination was “merely coincidental,” Miller wrote.
He also said that before 1979, the International Statistical Classification of Diseases and Related Health Problems (ICD) included cause-of-death classifications associated with “prophylactic vaccination” as an official cause of death.
However, in 1979, the ICD was revised, and that category was eliminated. As a result, “medical examiners are compelled to misclassify and conceal vaccine-related fatalities under alternate cause-of-death classifications,” Miller wrote.
Watch Jennifer’s interview here:
Related articles in The Defender
- Study of 208 Infant Deaths Highlights ‘Unsafe’ Sleep — But Omits Key Data on Vaccination Status
- Breaking: Mother of Twins Who Died 8 Days After Vaccinations Charged With Murder
- Exclusive: Sen. Ron Johnson Demands Journal Turn Over Records Related to SIDs and Vaccines Study
- Oklahoma, Louisiana to Require Coroners Include Vaccine Records in SIDS Autopsies
- 11-Week-Old ‘Anna’ Died Hours After Her ‘Routine’ Vaccines. Nearly 12 Years Later, a Court Ruled the Vaccines Killed Her
- Police Detective: 50% of Sudden Infant Deaths Happened Within 48 Hours of Vaccination — But No One Is Allowed to Say It
