new york/san francisco apple inc aapl.o likely seek invoke unite state protections free speech one key legal arguments try block order help unlock encrypt iphone one san bernardino shooters lawyers expertise subject say week company thursday grant three additional days court file response order apple feb. 26 send reply person familiar matter tell reuters tech giant obama administration track major collision computer security encryption federal magistrate judge los angeles hand order tuesday require apple provide specific software technical assistance investigators apple chief executive tim cook call request federal bureau investigation unprecedented tech giants facebook inc fb.o twitter inc twtr.n alphabet inc googl.o google rally support apple apple retain two prominent free-speech lawyers battle government accord court paper theodore olson political-speech case citizens unite v. federal election commission 2010 theodore boutrous frequently represent media organizations government lawyers u.s. justice department defend request court paper cite various authorities 1977 u.s. supreme court rule uphold order compel telephone company provide assistance set device record telephone number high court say writs act law 1789 authorize order scope rule expect main target apple file response court early next week apple likely also broaden challenge include first amendment guarantee speech right accord lawyers involve dispute follow compare countries unite state strong guarantee speech right even corporations least one court rule computer code form speech although rule late void apple could argue require create provide specific computer code amount unlawful compel speech say riana pfefferkorn cryptography fellow stanford university center internet society order apple novel compel company create new forensic tool use turn information apple possession pfefferkorn say think significant first amendment concern say spokesman u.s. attorney office los angeles decline comment possible free-speech question thursday speech-rights argument apple though could meet skepticism court computer code become ubiquitous underpin much u.s. economy argument enormous breadth say stuart benjamin duke university law professor write first amendment say apple would need show computer code convey substantive message case bring mathematician u.s. export control three-judge panel 9th u.s. circuit court appeal cover california find 1999 source code behind encryption software protect speech opinion late withdraw full court could rehear case rehear cancel appeal declare moot government revise export control fbi prosecutors seek apple assistance read data iphone 5c use rizwan farook along wife tashfeen malik carry san bernardino shoot kill 14 people wound 22 others holiday party u.s. prosecutors smart pick mass shoot test case encryption fight tech company say michael froomkin university miami law professor shoot large emotional impact also demonstrate danger pose arm militants say addition iphone dispute own farook employer local government consent search iphone federal magistrate issue order sheri pym also former federal prosecutor one bad set facts possible apple government pick case froomkin say froomkin add though fight enormously important company possibility new forensic tool could easily use phone damage could do apple global brand withstand government demand privacy demand make phone less attractive users say apple likely invoke free-speech right encryption fight