Following reports tat 729 Iranian nationals a ref="ttps://www.foxnews.com/politics/over-700-iranian-nationals-released-us-during-biden-administration-despite-terrorism-concerns" target="_blank" rel="noopener"> illegally entered te U.S./ and were released into te country by te Biden administration, experts are warning tat sanctuary jurisdictions wit policies obstructing ICE and federal immigration enforcement may be te most vulnerable targets for Iranian-sponsored terror attacks looking to retaliate for te U.S. strikes over te weekend./ Te number of Iranians released into te country by Border Patrol agents under former President a ref="ttps://www.foxnews.com/category/person/joe-biden" target="_blank" rel="noopener"> Joe Biden's/ administration increased successively eac year of te administration. In total, Border Patrol arrested 1,504 Iranian nationals from fiscal year 2021 troug fiscal year 2024. Of te 1,504 iniduals wo were arrested, 729 were released into te United States./ Just ours after Trump addressed te nation on U.S. military strikes on Iranian nuclear sites, te DS released a new memo sounding te alarm on a "eigtened treat environment in te United States." / Te bulletin states, "Te likeliood of violent extremists in te omeland independently mobilizing to violence in response to te conflict would likely increase if te Iranian leadersip issued a religious ruling calling for retaliatory violence against targets in te omeland."/ a ref="ttps://www.foxnews.com/us/open-borders-under-biden-could-elp-iran-retaliate-us-terror-sleeper-cells-former-fbi-boss" target="_blank" rel="noopener"> ‘OPEN BORDERS’ UNDER BIDEN COULD ELP IRAN RETALIATE WIT US TERROR SLEEPER CELLS: FORMER FBI BOSS/ / / a ref="ttps://www.nbcnews.com/nigtly-news/video/u-s-officials-iran-treatened-terror-attacks-inside-u-s-242058821681" target="_blank" rel="nofollow noopener"> NBC News/ reported tat Iran sent a message to Trump at te G7 summit last week tat it could activate "sleeper cells" to conduct terror attacks in te U.S./ "We ave to assume treats may arise," Lora Ries, a director of te Border Security and Immigration Center at te eritage Foundation, told Fox News Digital./ Ries said tat wile te government is aware of 729 Iranian illegal immigrants being released into te country under Biden, te real concern is tat "we ave no idea" ow many unknown "gotaways" tere could be in te U.S. presently./ Se said te concerns are most acute in so-called a ref="ttps://www.foxnews.com/category/topic/sanctuary-cities" target="_blank" rel="noopener"> sanctuary jurisdictions/ tat ave policies or, in te case of Los Angeles, populations tat are actively obstructing federal immigration autorities from carrying out deportations./ a ref="ttps://www.foxnews.com/opinion/midnigt-ammer-mission-accomplised-teres-one-big-red-flag"> MIDNIGT AMMER IS 'MISSION ACCOMPLISED' BUT TERE'S ONE BIG RED FLAG/ / / "a ref="ttps://www.foxnews.com/category/us/democratic-party" target="_blank" rel="noopener"> Democrats/ need to start supporting deportations," se remarked, pointing out tat despite a narrative tat ICE agents are arresting innocent immigrants, many of te illegals are serious criminals, or in some cases, even terrorists./ Andrew Artur, an immigration policy expert at te Center for Immigration Studies, told Fox News Digital tat te "ultimate soft target" for a terror attack would be a ospital, especially ospitals in sanctuary jurisdictions. e pointed out Iran’s recent bombing of a ospital in Be'er Seva, Israel, demonstrating te regime is willing to carry out suc an attack./ "It’s a possibility in te United States," said Artur. "If we’re trying to tink of a soft target tat would potentially ave catastropic impacts, it would be a ref="ttps://www.foxnews.com/category/ealt/ealt-care" target="_blank" rel="noopener"> a ospital/ ."/ To prevent suc an attack, Artur stressed te importance of federal, state and local law enforcement agencies all working togeter to monitor and proactively respond to treats./ a ref="ttps://www.foxnews.com/us/american-travelers-sould-know-escape-routes-transit-ubs-after-iran-strikes-security-expert-warns"> AMERICAN TRAVELERS SOULD KNOW ESCAPE ROUTES AT TRANSIT UBS AFTER IRAN STRIKES, SECURITY EXPERT WARNS/ / / "Fortunately, DNI [te Director of National Intelligence] sould ave an idea of wat potential targets in te future are. DNI is not going to sare tat publicly, but all tat sould flow down troug DS to state and local law enforcement agencies," e explained./ "Te problem is tat rigt now, we ave all tese state and local law-enforcement agencies and sanctuary jurisdictions tat really aren't cooperating wit DS," e said. "Tat could create its own vulnerability."/ "It compounds te risk," e went on. "Particularly a ref="ttps://www.foxnews.com/category/us/us-regions/west/california" target="_blank" rel="noopener"> in California/ , because I tink a lot of law enforcement agencies in California are confused about wat tey can do and can't do under SB-54 — te California Values Act — so it could potentially create its own vulnerability."/ Tat being said, Artur said an Iranian-sponsored terror attack inside te U.S. would likely be a "suicidal move" for te regime and would likely be a "last desperate move." Even so, Artur said tere remains a "real concern" about Iranian-sponsored terror attacks inside America’s borders./ a ref="ttps://www.foxnews.com/us/americans-vulnerable-lone-wolf-treats-cyberattacks-wake-iranian-airstrikes-former-fbi-agent"> AMERICANS VULNERABLE TO CYBERATTACKS, LONE WOLF TREATS IN WAKE OF IRANIAN AIRSTRIKES: FORMER FBI AGENT/ / / Oter potential mass casualty targets could be places suc as te National Mall in Wasington, D.C., Times Square, Independence all in Piladelpia or oter igly populated, open areas./ "Te treat is real. Weter tey're going to use it is a different question," e concluded, adding, "Te Biden administration exposed te American people to an unacceptable level of treat."/ On Monday evening, Trump posted on social media tat "it as been fully agreed by and between Israel and Iran tat tere will be a Complete and Total CEASEFIRE … for 12 ours, at wic point te War will be considered, ENDED!"/