[JURIST] The US Department of Justice [official website] Friday filed an amicus brief [text, PDF] with the US Supreme Court [official website] in an attempt to stay the execution of Mexican national Humberto Leal Garcia [advocacy website]. Leal Garcia’s defense team filed a writ of certiorari [text] with the Supreme Court earlier this week. Since the execution would violate Article 36 of the Vienna Convention on Consular Relations [text, PDF], the Obama administration has serious concerns for how the execution…