While the Biden administration has lost track of a significant number of migrant children released from custody, the claim that 300,000 children were lost and given to unvetted sponsors where they were trafficked and raped is an exaggeration lacking full context and evidence.
Biden lost track of 300k migrant kids and gave some of them to unvetted sponsors where they were trafficked and r*ped

TikTok video baselessly claims ‘thousands of migrant children’ in US were ‘taken’ - AP News
Source: apnews.com
Key Evidence
The Biden administration lost track of roughly one-third of migrant children released from custody in certain periods.
dailymail.co.ukdailymail.co.ukBiden administration has lost track of one in three migrant children who were...
Fact-checks by CBS News and AP News indicate the 300,000 figure is exaggerated or taken out of context.
cbsnews.comcbsnews.comTrump claims Biden lost track of over 300,000 migrant children. Here's a fact...
apnews.comapnews.comFACT FOCUS: Claims that more than 300,000 migrant children are missing lack...
No verified evidence confirms widespread trafficking or sexual abuse directly linked to sponsor vetting failures under Biden.
foxnews.comfoxnews.comBorder negligence: How Biden lost track of thousands of migrant children
apnews.comapnews.comTikTok video baselessly claims ‘thousands of migrant children’ in US were...
What the Evidence Shows
The Biden administration has acknowledged losing track of a substantial portion of migrant children released from government custody, with reports indicating about one in three children released in certain periods were unaccounted for.dailymail.co.ukdailymail.co.ukBiden administration has lost track of one in three migrant children who were... This figure is often cited as approximately 85,000 to over 100,000 children, not 300,000.
The claim that 300,000 migrant children were lost is primarily propagated by political opponents and has been fact-checked by multiple reputable sources. CBS News and AP News highlight that this number is a distortion or lacks context, noting that the figure conflates different time frames and administrations.cbsnews.comcbsnews.comTrump claims Biden lost track of over 300,000 migrant children. Here's a fact...
apnews.comapnews.comFACT FOCUS: Claims that more than 300,000 migrant children are missing lack...
Regarding vetting of sponsors, Fox News reports that there have been concerns about lax vetting processes leading to exploitation risks.foxnews.comfoxnews.comBorder negligence: How Biden lost track of thousands of migrant children However, there is no verified evidence in the sources provided that directly confirms widespread trafficking or rape of children due to these vetting failures.
Some sources note that claims about thousands of children being 'taken' or trafficked are baseless or misleading.apnews.comapnews.comTikTok video baselessly claims ‘thousands of migrant children’ in US were... The AP fact-check specifically refutes viral social media claims about children being abducted or trafficked en masse.
The Trump administration has also been criticized for losing track of migrant children during its tenure, indicating this is a complex issue not unique to the Biden administration.quora.comquora.comWere you stunned when you read that the Biden administration lost track of...
The Daily Signal article claims even higher numbers lost under Biden but comes from a partisan source and lacks corroboration from independent fact-checkers.dailysignal.comdailysignal.comBiden Lost 500K Migrant Children—Trump Administration Is Returning Them Home
In summary, while it is true that a significant number of migrant children released from custody are not currently accounted for by the government, the specific figure of 300,000 lost under Biden and the assertion that some were trafficked and raped due to unvetted sponsors is not supported by strong evidence and is misleading. The issue involves complex factors including record-keeping challenges, sponsor vetting procedures, and political rhetoric.