What was the official explanation for the disappearance of inmates during the Alcatraz closure?

Checked on September 23, 2025
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"Alcatraz closure inmate disappearance official explanation"
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1. Summary of the results

The official explanation for the disappearance of inmates during the Alcatraz closure is not explicitly stated in most of the sources provided [1] [2] [3] [4] [5] [6]. However, some sources imply that the FBI's investigation concluded that the escapees likely drowned in the Bay due to strong currents and frigid water [1]. Other sources suggest that the case remains open, with some investigators believing the escapees may have survived with the help of an accomplice [2] or that they might have floated to freedom [6]. Additionally, one source presents a letter allegedly written by one of the escapees, John Anglin, claiming that all three inmates survived the escape and lived well into old age [3]. It is also mentioned that the FBI declared the men dead from drowning in 1979 [4].

2. Missing context/alternative viewpoints

Some key context is missing from the original statement, such as the fact that the Alcatraz closure refers to the prison's closure in 1963, and the escape in question occurred in 1962 [7]. Additionally, the original statement does not mention the names of the escapees, which are provided in some of the sources as John Anglin, Clarence Anglin, and Frank Morris [3] [5]. Alternative viewpoints are also presented, such as the theory that the escapees might have survived with the help of an accomplice [2] or that they might have floated to freedom [6]. Furthermore, some sources provide historical context about Alcatraz Island and its transformation into a federal prison [7], while others discuss unrelated topics, such as the 'Alligator Alcatraz' detention facility in Florida [8] [9].

3. Potential misinformation/bias in the original statement

The original statement may contain potential misinformation as it implies that there is an official explanation for the disappearance of inmates during the Alcatraz closure, when in fact, most sources suggest that the case remains open [1] [2] [5]. Additionally, the statement may be biased towards presenting a single explanation for the disappearance, when in reality, there are multiple theories and viewpoints presented in the sources [2] [3] [6]. The FBI and federal officials may benefit from the statement's implication that the escapees likely drowned, as it supports their official investigation conclusion [1] [4]. On the other hand, the escapees' families and those who believe they survived may benefit from the alternative viewpoints presented in some sources [2] [3] [6] [1] [2] [3] [8] [7] [9] [4] [5] [6].

Want to dive deeper?
What happened to the inmates who were transferred from Alcatraz during its closure in 1963?
How many inmates escaped from Alcatraz before its closure on March 21, 1963?
What were the living conditions like for inmates during the final years of Alcatraz operation?
Who was the last inmate to leave Alcatraz when it closed in 1963?
What role did the Federal Bureau of Prisons play in the closure and relocation of Alcatraz inmates?