When police suggested moving Joann Katrinak’s abandoned car, her husband, Andrew, refused. He feared that something had happened to Joann and their infant son, Alex, and that the car might contain evidence.
Case brief
Catasauqua / Lehigh County, Pennsylvania · 1994
- Recorded outcome
- Rorrer was convicted in 1998. The Superior Court affirmed denial of her later petition in 2025, and the Pennsylvania Supreme Court declined review in June 2026.
Key moments
People in this case
- Joann and Alex Katrinak
Murder victims
Photo at source · Forensic Files Files · identified case photographs - Patricia Rorrer
Convicted of murdering Joann and Alex Katrinak
Photo at source · Forensic Files Now · labeled photographs
The vehicle was only about 100 yards from their home in Catasauqua, Pennsylvania. Its proximity offered no answer to where mother and child had gone.
The evidence collected from it later became central to the prosecution of Patricia Rorrer. It also became the subject of years of challenges after her conviction.
A shopping trip that never began
Joann planned to shop with Alex and her mother-in-law on December 15, 1994. They did not arrive.
Andrew reported them missing. Relatives began searching. After the car was found, police examined the home and discovered signs of forced entry and a cut telephone line.
Investigators initially considered Andrew a suspect. The Pennsylvania Superior Court’s account [1] expressly states that they cleared him after investigation. That conclusion belongs beside any reference to the initial suspicion.
On April 9, 1995, a farmer found Joann and Alex’s bodies in a wooded part of Heidelberg Township. Joann had been shot. The precise mechanism of Alex’s death was uncertain in the account later summarized by the court.
The location drew attention to Rorrer, who had previously ridden horses along the path where the victims were found.
Rorrer and Andrew had been romantically involved. Their romantic relationship ended in May 1993, although they remained in contact. Trial evidence described a telephone call shortly before the disappearance in which Joann told Rorrer to stop calling.
That relationship provided the prosecution with a proposed motive. It did not substitute for evidence connecting Rorrer to the crime.
What the hairs could—and could not—say
Police recovered ten hairs from the back of the driver’s-seat headrest. Six became a focus because they were not attributed to the Katrinak family.
The laboratory divided those hairs into groups. Some were sent to the FBI in July 1995; police obtained reference hairs from Rorrer in November.
The initial mitochondrial DNA testing indicated that Rorrer could be a source. That is not the same as saying a mitochondrial profile uniquely identifies one person. The distinction matters because descriptions of the case often compress different forensic methods into the single word “match.”
Rorrer was arrested in June 1997. A jury convicted her on March 9, 1998, of two counts of first-degree murder and two counts of kidnapping. The sentence included life imprisonment and an additional consecutive term for kidnapping.
Later testing became another part of the record. The 2017 opinion describes nuclear DNA testing performed in 2005 at a laboratory agreed upon by Rorrer’s counsel. According to that opinion, the results matched Rorrer on the tested hairs and a cigarette butt recovered at the discovery site.
The defense disputed the integrity and handling of evidence. Those allegations must be reported as challenges, not as findings that police or laboratory personnel fabricated results.
The collection dates mattered to the dispute
One defense argument was that reference hairs had been substituted for the hairs recovered from the vehicle.
The chronology was important to the courts’ treatment of that claim. Hairs from the car had been sent for testing months before police obtained Rorrer’s reference samples.
Other challenges concerned allegedly withheld information and the reliability of hair comparison evidence. These issues involved different questions: what was disclosed to the defense, what the laboratory actually tested and what conclusions a particular method could support.
Keeping them separate is necessary to understand the litigation.
The later testing asked a different question
Rorrer's effort to obtain further DNA testing began with a June 27, 2005 petition. It concerned more than the hairs from Joann's car: the requested examination also included a fingernail fragment and a cigarette butt recovered near the bodies. The parties eventually agreed to send the material to Orchid Cellmark, the laboratory chosen by the defense. The prospect of a more discriminating test was initially advanced as a route to exoneration. [1]
The 2017 opinion describes a different result. According to that court's account, nuclear DNA from all six seatback hairs and the cigarette butt was attributed to Rorrer. The fingernail fragment did not yield material that could be tested. A failed extraction is not a negative identification, and the later results should not be written into the story as though they had already existed at the 1998 trial. They became part of the post-conviction history. [1]
The position on the hair evidence also changed. During the testing proceedings, defense counsel had distinguished three mounted hairs from other material whose handling was disputed, accepting the chain of custody for those mounted hairs. After the results, Rorrer argued that reference hairs might have been substituted. The court rejected that explanation, relying in part on the sequence in which the questioned hairs were sent out and her reference samples were collected. The chronology mattered because it tested whether the proposed mix-up could have happened in the way alleged. [1]
One evidence label cannot describe three examinations
Microscopic hair comparison, mitochondrial DNA analysis and the later nuclear DNA testing appear at different points in this case. Treating them as a single test obscures both what the prosecution originally offered and what Rorrer later challenged. The mitochondrial result was an inclusion, not a uniquely identifying finding. The nuclear results described in the opinion were stronger associations, but their evidentiary value remained tied to the disputed identity and handling of the submitted items. [1]
That is why the gallery identifies the DNA material as important evidence with a contested history. The convictions are part of the record, and so are Rorrer's challenges. A reader can follow how the scientific examinations changed without assuming that a later procedural ruling independently re-created every step of the investigation. [1]
A procedural rejection is not a new trial
In October 2017, the Superior Court affirmed dismissal of Rorrer’s fourth petition under Pennsylvania’s Post Conviction Relief Act.
The central issue was timeliness. The court concluded that the petition did not satisfy the requirements for an exception to the statutory deadline.
That outcome left the conviction in place. It was not a new jury trial of the murders, and it should not be described as a fresh determination of every disputed scientific claim.
Lehigh Valley Press reported [2] another stage of the litigation in June 2024. A judge had denied relief while allowing time for additional claims before a final order. The trial court entered its denial on July 5, 2024. On December 22, 2025, the Pennsylvania Superior Court affirmed because the petition was late and Rorrer had not established an exception to the statutory deadline. The Pennsylvania Supreme Court declined to hear a further appeal on June 30, 2026. Neither decision made a new finding about the underlying forensic evidence. [3] [4]
Two lives at the center of a long record
Joann and Alex’s disappearance began with a missed family outing, an empty car and relatives who believed something was seriously wrong. The later record became dominated by laboratory reports and procedural rules.
Both parts are necessary. The family’s immediate concern explains the investigation’s beginning. The forensic and legal record explains how a conviction was reached and why its evidence remained contested.
Rorrer was convicted, and the cited decisions did not erase that conviction. Her challenges must nonetheless be described accurately, including the difference between a court rejecting a claim on its merits and refusing to reach it because a filing was too late.
Smallbones · Image source · CC0
Look closer · 3 visuals
Inside the evidence.
Open a visual to explore what it contributed to the case—and the limits of what it shows. These original illustrations explain the record; they are not photographs of the actual evidence.
The hairs from the car
Original editorial illustration — not an actual evidence photograph or exhibit.
Read the evidence notes
Different examinations of the seatback hairs supplied different kinds of associations. The original mitochondrial result could include Rorrer as a source.
Inclusion is not unique identification. The diagram does not depict an actual DNA profile or hair sample.
The later nuclear testing
Original editorial illustration — not an actual evidence photograph or exhibit.
Read the evidence notes
The court recounts later nuclear DNA results attributing six hairs and a cigarette butt to Rorrer. The fingernail did not yield testable material.
These were post-conviction tests. Evidence handling remained disputed by Rorrer; the image is an explanatory illustration.
The chain-of-custody question
Original editorial illustration — not an actual evidence photograph or exhibit.
Read the evidence notes
The courts compared the order of collection and submission when addressing a proposed substitution of reference hairs.
This is not a real evidence label or custody form, and it does not erase later challenges.
★ Key evidence used in a conviction · ✓ Exclusion or reversal · ◇ Disputed evidence · ⊘ Excluded at retrial · ◆ Identity / investigative finding, not a conviction. A symbol does not mean one item proved the whole case.
Follow the locations
Put the story on the map.
Follow the dated entries, then select an event to find its regional setting. Shared-location pins open a group of events. Evidence symbols identify important findings and their limitations.
Open the map in its own window ↗Sources & further reading
- Commonwealth v. Rorrer — fourth PCRA petition
- Judge Marks denies Patty Rorrer’s request for post-conviction relief — Lehigh Valley PressJune 17 denial with opportunity for further claims; not final resolution of every later proceeding.
- Commonwealth v. Rorrer, 1888 EDA 2024 - Pennsylvania Superior CourtAffirmance of the July 2024 denial on the statutory time bar.
- Commonwealth v. Rorrer, 44 MAL 2026 - Pennsylvania Supreme CourtOrder denying the petition for allowance of appeal.
Editorial review: 2026-11-11 · 1260 words