More than seven years after 18-year-old Sunny Sramek disappeared during what she believed would be a simple day trip, two men connected to the case have been sentenced to a combined 45 years in federal prison. Although neither defendant was convicted of murder, a federal judge concluded that the evidence established one of them intentionally caused the teenager’s death and concealed the crime.
Federal Sentences Handed Down
According to the U.S. Attorney’s Office for the Northern District of Iowa, Floyd Clifford Coates Jr., 48, was sentenced Monday to 35 years in federal prison after being convicted of drug trafficking, firearms offenses, and obstruction-related crimes.
His former brother-in-law, Dennis Lawson, 60, received a 10-year federal prison sentence after being convicted of threatening a witness during the investigation.
During sentencing, U.S. District Judge Leonard T. Strand stated that although Coates was not convicted of murder, the evidence presented during trial convinced the court that he intentionally caused Sunny Sramek’s death before attempting to hide what had happened.
The judge stated that Coates intentionally caused the teenager’s death and then covered up the crime.
Teen Believed She Was Taking a Short Trip
Evidence presented during the defendants’ 11-day federal trial traced the case back to Easter weekend in 2019.
Prosecutors said Coates arranged a trip to obtain methamphetamine and persuaded a woman from Iowa to drive him from Blair, Nebraska, to Kansas City, Missouri.
Coates, however, traveled separately to Blair with Sunny Sramek, who had reportedly told her family and friends she was simply going on a day trip to Omaha with him.
According to prosecutors, the teenager did not know Coates planned to continue traveling to Kansas City.
Witness Found Teen Unresponsive in SUV
When the Iowa woman arrived in Blair, prosecutors said she discovered Sramek inside Coates’ wife’s white Ford Explorer.
The witness testified that the 18-year-old appeared motionless and showed signs that suggested she had suffered a drug overdose.
According to court testimony:
- Fluids were coming from Sramek’s mouth.
- One of her bare feet rested on the dashboard.
- The SUV’s front window had been shattered from the inside, appearing as though she had kicked it while struggling.
Prosecutors said Coates told the witness he had given Sramek methamphetamine and claimed she had overdosed.
Body Allegedly Disappeared After Visit to Iowa Property
Rather than continuing to Kansas City, prosecutors said Coates instructed the woman to drive to the rural Iowa home of Dennis Lawson, located near the Missouri River.
The witness testified that after arriving, Coates and Lawson left together for a period of time.
When they returned, Sunny Sramek’s body was gone.
Her remains have never been recovered.
Witness Said She Was Threatened Into Silence
According to testimony, the witness later helped Coates clean out the Ford Explorer.
She told investigators that Lawson then warned her:
“If you talk, it’s your funeral.”
Prosecutors argued that the threat was intended to prevent her from cooperating with law enforcement during the investigation.
Coates Allegedly Gave Different Versions of Events
According to prosecutors, Coates later offered conflicting explanations about what happened to Sramek.
In one version, he allegedly claimed she died from a methamphetamine overdose.
In another, prosecutors said he admitted to fellow inmates that he killed the teenager after sexually assaulting her.
Despite the different accounts, prosecutors said both versions included claims that he disposed of her body in the Missouri River to prevent authorities from finding it.
“No Body, No Case”
Trial testimony also included statements Coates allegedly made after the crime.
According to prosecutors, he boasted:
“No body, no case.”
He also reportedly asked another individual:
“You can’t get charged with murder if there is no body, can you?”
Prosecutors argued these comments demonstrated an effort to avoid a homicide prosecution by ensuring Sramek’s body was never recovered.
Forensic Evidence Presented During Trial
Although investigators never found Sramek’s remains, prosecutors presented forensic evidence they said supported their case.
Testing identified Sunny Sramek’s DNA inside the Ford Explorer, and investigators said additional evidence indicated she had struggled while inside the vehicle.
An FBI geologist testified that the shattered window was consistent with someone kicking outward from inside the SUV.
A medical examiner also testified that the convulsions described by witnesses matched symptoms commonly associated with a fatal methamphetamine overdose.
Prosecutor Says Sentencing Brings Accountability
Following the sentencing, U.S. Attorney Leif Olson said the prison terms could never undo the loss suffered by Sunny Sramek’s loved ones but represented accountability for those involved.
He said that more than seven years and three months after Sramek left home believing she was going on a short trip, the two men responsible for their respective roles in the case would now serve lengthy federal prison sentences.
While neither Floyd Clifford Coates Jr. nor Dennis Lawson was convicted of murder, the federal court found that the evidence showed Coates intentionally caused Sunny Sramek’s death and concealed the crime, while Lawson threatened a key witness in an attempt to obstruct the investigation. Sunny Sramek’s body has never been found.
