Human Conflict Project

All events · The War's Long Shadow

Operation Wetback

1954–1955 · Americas

Displacement
Displaced
250,000
About 250,000 in the operation's principal year: INS figures for fiscal 1955 record 17,695 formal removals and 232,769 'returns'. The frequently repeated claim of over one million deportations rests on a misreading of fiscal-year apprehension totals, which counted repeat apprehensions and the broader year's enforcement; historians including Kelly Lytle Hernández have corrected it. Contemporary complaints establish that an unknown number of United States citizens of Mexican descent were among those removed, but no count exists.
Share of the population affected
11%
of the Mexican-origin population of the five south-western US states at the 1950 census, 1950
Killed
88
deaths in transit or in camps

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What happened

Launched in June 1954 under Attorney General Herbert Brownell and INS commissioner Joseph Swing, Operation Wetback used Border Patrol sweeps, roadblocks and factory and neighbourhood raids across California, Arizona and Texas to apprehend Mexican workers, most of whom were expelled without hearings. To prevent re-entry, deportees were moved deep into Mexico by bus, aircraft and ship; conditions on some transports were severe, and 88 people died of heat in July 1955 on one operation, while a Mexican inquiry into the vessel Mercurio described conditions likened to an eighteenth-century slave ship. The programme operated alongside the Bracero guest-worker system, which continued to recruit Mexican labour legally, and drew criticism for the removal of United States citizens without due process. Historians have established that the widely quoted figure of over a million deportations is inflated. The atlas already contained the Mexican Repatriation of 1929-1936; this is the second and better-known mass expulsion campaign, and its omission was conspicuous.

Parties

The United States Immigration and Naturalization Service, with Border Patrol and local police, swept Mexican workers and communities in the south-west and expelled them to Mexico

Disputed

The number deported, with the official contemporary claim of over a million now generally rejected in favour of figures around 250,000 for the operation proper; and the number of US citizens wrongly removed, which was never established.

The denominator

The 1950 census counted about 2.28 million persons of Spanish surname in Arizona, California, Colorado, New Mexico and Texas, the standard contemporary proxy for the Mexican-origin population. Additional Mexican nationals were present as seasonal Bracero contract workers and as unauthorised migrants, and were not fully captured by the census.

The INS figure counts apprehensions and 'voluntary departures', so repeat crossings are counted more than once and many of those removed were seasonal migrants rather than residents of the baseline population; the true number of distinct people removed is lower and is disputed.

Where the baseline comes from

On the death toll

The documented toll is the 88 deportees who died of heat exposure in July 1955 after being left in 44 degree temperatures; the deaths were reported at the time and prompted a Mexican government protest. Deaths on the transport vessels and in the interior after removal were not counted.

Documented forms of violence

Arbitrary DetentionDenationalization

Contemporary congressional and press inquiries and the complaints filed by Bracero workers document detention without hearings and the removal of United States citizens.

Movements mapped

Countries touched, on present-day borders

United States of America, Mexico

Sources

This entry rests only on reference, press or open-edited sources. Treat its figures as indicative and follow the links before relying on them.
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