mexico city irrespective whether mexico decision extradite drug kingpin joaquin chapo guzman aim honor outgo u.s. president barack obama appease successor donald trump law enforcement countries say bode well security cooperation guzman fear boss sinaloa cartel shoot international stardom two jailbreaks extradite prison northern mexico new york thursday eve trump inauguration mexican government officials believe guzman removal serve valediction obama presidency others saw open gambit likely fraught trade negotiations seemingly unfriendly trump administration current former law enforcement officials side border say move would boost security cooperation could even upgrade relations happen today something victory mexico unite state say leo silva work drug enforcement administration northern mexican city monterrey 2015 obviously improve things accord senior u.s. law enforcement official base mexico u.s. mexican security force already three step ahead identify next chapo mexico side work us lot lot people think say official authorize speak press think go get support us line really see huge change anything improvement security cooperation always run smoothly mexico proud nationalist lean often chafe view u.s. intrusion affairs silva say vicente fox become president 2000 mexico give less access u.s. law enforcement however fox successor felipe calderon will accept u.s. help silva say could even pick phone call then-attorney general marisela morales election institutional revolutionary party enrique pena nieto 2012 represent fresh set-back u.s. officials initially keep arm length new attorney general appoint jesus murillo karam silva call standoffish nonetheless rocky start relations soon warm u.s. intelligence particularly u.s. marshal track fugitives become key component many high-profile bust take place pena nieto similar receive calderon except current administration talk publicize work together say one former dea agent work mexican case victory trump threaten rip north american free trade agreement slap tariff u.s. firm manufacture mexico deport millions illegal immigrants speculate years hard-won security cooperation would fray mexico seek show push around brash new yorker behind bluster law enforcement officials countries say unlikely happen situation could even improve trump law-and-order republican repeatedly voice support police soldier focus combat mexican cartels crime gang drug steal many live rob country much unrealized potential trump say inauguration speech friday american carnage stop right stop right now mexican anti-corruption official swat away notion mexico could shut unite state security issue government go continue policy always combat organize crime say vito guardino work dea 30 years say u.s. government use extradition yardstick measure countries willingness cooperate unite state get want say find ways force nations play ball reality unlikely lose mexico heavily reliant u.s. trade example guardino say colombia stop extradite drug traffickers unite state late 1980s u.s. government use carrot-and-stick approach threaten sanction draw multibillion-dollar plan colombia metric chapo removal represent calculate show faith part mexico also signal trump team open reinforce northern border curb drug smuggle illegal migration high-stakes political tensions however one way look things guardino many others say relationships foreign law enforcement officials often take years build rely trust dangerous circumstances chapo extradition see boost u.s.-mexico security relations trump