CASE FILE #06180

REPORTED

Twin Falls Highway Killer

  • 2026
  • 5 min read
  • abbey ghost

The Twin Falls Highway Killer: A Decades-Long Mystery

Introduction

The dark and foreboding stretch of U.S. Route 89 in Idaho has earned a reputation as one of the most dangerous highways in America, with countless tales of unexplained happenings and eerie encounters. Among these stories is the hauntingly persistent legend of the Twin Falls Highway Killer. This phantom hitchhiker has been reported for over four decades, leaving behind a trail of gruesome murders that remain unsolved to this day.

The History and Background

The story of the Twin Falls Highway Killer began in 1974 when Robert Broussard, a 25-year-old man from Texas, was reportedly murdered by an unseen entity. According to his last known contact with his sister via telephone, he left his home in Utah bound for Idaho on U.S. Route 89. He never arrived at his destination, and his car was found parked near the infamous “Screamer” bridge, now part of Highway 75.

In the years that followed, multiple victims were reported to have met their end along this stretch of highway. The most notable case is that of Larry Martin, a 21-year-old man from Twin Falls, Idaho, who was last seen in October 1986. His car was discovered near the same bridge where Broussard’s vehicle had been found years earlier.

Key Events or Sightings

#### 1974 – Robert Broussard

Robert Broussard left his home in Utah on July 24, 1974, heading to Twin Falls. His last known contact was via a phone call from his sister at around noon. She reported that he seemed agitated and confused before hanging up the line. By the next morning, Broussard’s car was discovered parked by the Screamer bridge with no sign of him inside.

#### 1986 – Larry Martin

Larry Martin, a 21-year-old man from Twin Falls, went missing on October 7, 1986. He had been seen hitching rides along U.S. Route 89 and was last spotted near the same bridge where Broussard’s car was found in 1974. His car was later discovered abandoned.

#### 2003 – David Allen

In 2003, David Allen, a 26-year-old man from Twin Falls, vanished after leaving his home late at night on November 25. His car was found near the Screamer bridge, with the engine running and the headlights still glowing.

Witness Accounts or Evidence

Numerous witnesses have reported strange phenomena along U.S. Route 89. Some describe hearing screams emanating from the area of the Screamer bridge late at night. Others speak of seeing a figure standing by the roadside, beckoning to passersby with a flashlight. A local journalist, Sarah Jones, interviewed several eyewitnesses who claimed they saw a shadowy figure lurking near the highway.

In 1987, a group of teenagers reported hearing screaming and then saw a man in tattered clothing running towards them on the side of the road. They followed him to an abandoned building nearby where he was lying unconscious. When paramedics arrived, they found no sign of the man but did discover a bloodstained knife.

Investigations or Research

Several investigations have been conducted over the years to uncover the truth behind the Twin Falls Highway Killer. In 1987, a team from the Idaho State Police examined Broussard’s case and interviewed numerous witnesses. They concluded that while no definitive evidence of foul play was found, the circumstances surrounding his disappearance were suspicious.

In 2010, paranormal investigators from the Haunted Highway Project visited the area to gather evidence using advanced equipment like thermal imaging cameras and EVP recorders. They captured several anomalous readings and audio recordings but could not identify any specific culprit or explanation for the phenomenon.

The Current Status / Ongoing Mystery

Despite extensive investigations and reports from multiple witnesses, no conclusive evidence has been found to explain the disappearances along U.S. Route 89. Local authorities continue to receive tips and witness accounts, leading them to believe that the case remains open. Some experts suggest that the phenomenon could be related to a natural gas leak that was reported in the area during Broussard’s disappearance, while others propose that it is a supernatural entity.

Frequently Asked Questions (5 Q&A pairs)

Q: Has anyone ever been caught or identified as the Twin Falls Highway Killer?

A: No, no one has been identified or caught. Multiple investigations have turned up no concrete evidence linking any individual to these disappearances.

Q: Is there a theory about why the killer targets people on this stretch of highway specifically?

A: There are various theories. Some believe it could be related to a natural gas leak that was reported in the area during Broussard’s disappearance, while others propose that it is a supernatural entity drawn to the location.

Q: Have there been any recent sightings or incidents along U.S. Route 89?

A: Yes, local authorities and paranormal investigators continue to receive reports of strange occurrences along this stretch of highway. Recent cases include unexplained noises heard at night and sightings of shadowy figures by the roadside.

Q: Are there any measures in place to protect travelers on U.S. Route 89?

A: Local authorities have increased patrols and installed additional security cameras in the area, but no specific protections are targeted towards preventing incidents related to the Twin Falls Highway Killer.

Q: How has the legend of the Twin Falls Highway Killer influenced popular culture?

A: The legend has inspired numerous books, documentaries, and even a horror movie. It continues to captivate people’s imaginations and has become an iconic part of roadside folklore in Idaho.

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