The Biden administration has struggled for months with the uptick in people entering the US unlawfully, an often-dangerous route that puts vulnerable populations at risk. The 21-day average for border encounters is around 40,000 per week, a Department of Homeland Security official told CNN, adding that the pace continues to strain resources and put migrants in danger. Around 60% of the people detained by Customs and Border Protection were rapidly expelled under a controversial pandemic-era health order first enacted during the Trump administration, the data shows.