Alaska · Spree Killing

The Michael Silka Killings

Michael Silka killed multiple people around Manley Hot Springs in 1984 and concealed victims in or near the Tanana River before authorities closed in.

Editorial case-file cover for The Michael Silka Killings
Editorial note: This page documents a real criminal case. Crime by Region avoids graphic imagery and distinguishes court findings from allegations or unresolved claims.

A Remote River Community

Manley Hot Springs is a small settlement in Interior Alaska, roughly 100 miles west of Fairbanks, with a boat landing on the Tanana River. In the spring of 1984 it was the kind of place where a newcomer could arrive and draw little notice. That anonymity frames one of the most disturbing episodes in the state's modern history: a series of killings of local residents over a short span of days in May 1984, followed by an armed confrontation in the wilderness that cost an Alaska State Trooper his life.

The people who died at Manley were ordinary members of a tiny community. Wire-service reporting from Fairbanks named three of the victims whose bodies were later recovered: Joe McVey, 37; Lyman Klein, 36; and Dale Madajski, 20. The Anchorage Daily News has noted that among the dead were a pregnant woman and her two-year-old son. The trooper killed in the manhunt was Troy Lynn Duncan, 34, who had served about three years with the Alaska State Troopers and left behind a wife, a son and a daughter.

The Man at the Center of the Case

The man authorities identified as the prime suspect was Michael Silka, 25, originally from Hoffman Estates, Illinois, and a U.S. Army veteran. An Associated Press year-end review of 1984 described him as a solitary drifter who had driven an old car into Manley in late spring; locals had a phrase for such arrivals, calling them "end-of-the-roaders." According to the Anchorage Daily News, troopers already wanted to question him about the death of a neighbor before he turned up in Manley, and investigators later tied him to a man who had gone missing in Fairbanks the previous winter. Because Silka died before any charges could be tried, none of these accusations was ever tested in court.

The Disappearances

According to the year-end account, residents of Manley began vanishing on May 17, 1984, over the course of several hours, and by the time neighbors grasped that something was badly wrong, Silka had left town by river. A UPI dispatch from June 1984 instead placed the disappearances in "late May," so contemporary sources differ slightly on the timeline. Accounts also differ on the toll in the village: the year-end review counted seven people killed at the boat landing and UPI reported that seven residents had vanished, while the Anchorage Daily News, in a 2014 history, referred to six townspeople. The memorial entry for Trooper Duncan on the Officer Down Memorial Page uses a much higher figure for the suspect's alleged victims that is not supported by the contemporary news reports cited here.

The Manhunt and the Shootout

Troopers followed Silka up the Tanana River, which was running high at the time, and located him near the Zitziana River, a tributary. According to the Officer Down Memorial Page, spotters in a fixed-wing aircraft found him in a wooded area and two helicopters carried members of the troopers' Special Emergency Reaction Team (SERT) to the location. As Duncan's helicopter hovered close to the ground, Silka opened fire with a rifle and struck him. Another trooper returned fire with an AR-15, and Silka was killed. Duncan was flown out for medical care but was pronounced dead. The confrontation took place on May 19, 1984. The memorial page also notes that Silka had trained as a marksman in the Army.

Recovering the Victims

With the suspect dead, the work turned to finding the missing. Investigators believed the victims' bodies had been put into the Tanana River, and in the weeks that followed searchers recovered them one by one. By late June, UPI reported, a third body had been identified as Joe McVey's, after those of Lyman Klein and Dale Madajski had been found earlier; the state coroner said all three had been shot. Silka was later buried in Sitka National Cemetery, a resting place he was entitled to as a military veteran, and as the 1984 year-end account put it, whatever drove him was buried with him.

Why the Case Still Matters

Because the suspect died in the shootout, there was never a trial, a verdict or a sentence. The official account rests on the conclusions investigators and troopers drew in 1984, and Silka's responsibility for the deaths, while widely accepted, was never established by a court. No new legal developments in the case have been reported in recent years; it remains a closed chapter that is remembered mainly through the memory of its victims and of Trooper Duncan.

For Alaska, the case is a stark illustration of what policing looks like across vast, roadless country. The search depended on airplanes, helicopters and a tactical team flown in to a river wilderness, and the Anchorage Daily News's history of trooper line-of-duty deaths shows how often aircraft and remote terrain have figured in the risks troopers face. By the paper's 2014 count, Duncan was one of 16 troopers and wildlife officers to die in the line of duty, and one of those killed by a criminal rather than in an accident; he is also commemorated on the Officer Down Memorial Page. For small settlements like Manley Hot Springs, the killings also exposed how vulnerable isolated communities can be when help is many miles away and only reachable by air or water.