Peever Man Listed After 2017 Incest Conviction
Peever (trfnews.i234.me) — John William Perko is listed on South Dakota’s public sex offender registry.
The current state profile lists Perko as a resident of Peever in Roberts County.
The registry shows his record was updated on July 31, 2026.
The information supplied to TRF News identifies Perko as a Tier 2 registrant.
That supplied record lists a verification date of June 17, 2026.
The current state profile labels Perko’s offender status as compliant.
Perko was born in 1966.
The state profile also lists several aliases associated with his registry record.
2017 Federal Conviction
The South Dakota registry lists a federal conviction dated June 6, 2017.
The listed offense is federal incest.
The registry says the case involved a 34-year-old female victim.
The public registry does not identify the woman by name.
The conviction county is listed as federal.
South Dakota is listed as the conviction state.
John William Perko. Photo: South Dakota Sex Offender Registry.
This registry entry does not report a new arrest or new criminal charge.
The story concerns Perko’s registration information and his 2017 conviction.
Readers can review Perko’s official South Dakota registry profile.
South Dakota Incest Law
South Dakota law contains a separate criminal statute covering incest between certain related adults.
Current state law classifies incest under that statute as a Class 5 felony.
Readers can review South Dakota Codified Law 22-22A-2.
Criminal laws can change after a conviction.
The official court and registry records remain the best sources for Perko’s specific case.
Tier 2 Registration
The information supplied for this report identifies Perko as a Tier 2 offender.
South Dakota uses three registration tiers under state law.
Current law requires Tier II registrants to register for at least 25 years.
Tier III registrants are required to register for life.
Tier I registrants must register for at least five years.
Readers can review South Dakota’s registry tier law.
Public Registry Information
The South Dakota Division of Criminal Investigation maintains the public sex offender registry.
Registry information can change after address, custody, or verification updates.
The current state record lists Peever as Perko’s residence community.
Readers should use the official registry when checking the latest public information.
Registry information should not be treated as evidence of a new crime.
TRF News is reporting the conviction and registration information shown in public records.
I’m Adrian Cole reporting for TRF News.
Copyright 2026 TRF News. All rights reserved.