Facts: Murder case (Derilo et al.) committed Jan 1, 1982; before 1987 Constitution prohibited death penalty; later statutes (e.g., R.A.extNo.7659)imposeddeathpenaltyforheinouscrimes,withchangesaffectingArticle248oftheRevisedPenalCode.</p></li><li><pstyle="text−align:justify;">Keydoctrinalpoints:</p><ul><li><pstyle="text−align:justify;">Penallawsgenerallyoperateprospectively;retroactivityappliesonlyiffavorabletotheaccused(favorabiliasuntinfavor).ThisisgroundedinArticle21oftheRevisedPenalCode.</p></li><li><pstyle="text−align:justify;">The1987Constitutionprohibitedthedeathpenaltyexceptforcompellingreasonsinvolvingheinouscrimes;anydeathsentencealreadyimposedhadtobereducedtoreclusionperpetua.</p></li></ul></li><li><pstyle="text−align:justify;">Holding:TheCourtrefusedtoapplythedeath−penaltyenhancementretroactivelytothe1982murder;instead,whereappropriate,thedeathsentencealreadyimposedwouldbereducedtoreclusionperpetuaduetoconstitutionalprovision.Also,theCourtemphasizedthemandatoryproceduralrequirementsunderSec.3,Rule116(capitalcases)whenadefendantpleadsguilty,andclarifiedthataggravatingcircumstancesmustbeprovenbeyondreasonabledoubt(evenifthedefendantpleadsguilty)unlessevidencesupportstheaggravatingfacts.</p></li><li><pstyle="text−align:justify;">Takeawaysforexam:</p><ul><li><pstyle="text−align:justify;">Penallawsaregenerallyprospective;retroactivityisallowedonlyiffavorabletotheaccused.</p></li><li><pstyle="text−align:justify;">Constitutionalchangesprohibitingdeathpenaltyaffectsentencesalreadyimposed;automaticreductiontolifeimprisonmentismandatedwhenthesentenceisdeathandtheoffendercommittedthecrimepriortotheconstitutionalchange.</p></li><li><pstyle="text−align:justify;">Whenacapitaloffenseispleadedguilty,thetrialjudgemustconductathoroughinquiryandrequireproofofguiltandpreciseculpability,withaggravatedcircumstancesprovenbytheprosecution.</p></li></ul></li></ul><divdata−type="horizontalRule"><hr></div><h3id="ba8d69c7−386f−4451−bf08−c3f9f39feaee"data−toc−id="ba8d69c7−386f−4451−bf08−c3f9f39feaee"collapsed="false"seolevelmigrated="true"style="text−align:justify;">RetroactivityofJuvenile−JusticeProvisions–Peoplev.Ortega(G.R.No.151085,August20,2008)</h3><ul><li><pstyle="text−align:justify;">Issue:WhetherRANo.9344(JuvenileJusticeandWelfareActof2006)appliesretroactivelytoacasewheretheaccusedwas13yearsoldatthetimeoftheoffense(rapeofaminor).</p></li><li><pstyle="text−align:justify;">Facts:Petitioner,then13,convictedofrape(twocounts)in1999−2000;RA9344raisesageofcriminalresponsibilityandprovidesdiversion;transitionalprovisionsaddressoldercasesandpendingprosecutions.</p></li><li><pstyle="text−align:justify;">Holding:TheCourtheldthatunder§6ofR.A. ext{ No. }9344,achild15oryoungeratthetimeoftheoffenseisexemptfromcriminalliability;for15–18−year−olds,liabilitydependsondiscernment.Sincethepetitionerwas13atthetime,heisexemptfromcriminalliability.TheCourtappliedretroactiveeffecttothejuvenile−lawprovisionsbecausetheyarefavorabletotheaccused(favorabiliasunt).TheCourtretainedcivilliabilityforindemnityandawardedmoraldamagestothevictim:P{100{,}000}civilindemnityandP{100{,}000}moraldamages.</p></li><li><pstyle="text−align:justify;">Transitoryprovisionsengaged:Sec. ext{ }64-68ofRA9344addressdismissalofcasesforyoungerchildrenandretroactiveapplicationforthosealreadyconvictedorpending.</p></li><li><pstyle="text−align:justify;">Takeaways:Retroactivityisfavoredwhenthestatuteprovidesrelieftotheaccused;theageofcriminalirresponsibilityissetat15byRA9344,butthoseunder15attimeofoffenseareexemptfromcriminalliabilitywithpossiblediversion/interventions;civilliabilityunderexistinglawremains.</p></li></ul><divdata−type="horizontalRule"><hr></div><h3id="586aacac−f023−4ea1−9c2c−e825182948de"data−toc−id="586aacac−f023−4ea1−9c2c−e825182948de"collapsed="false"seolevelmigrated="true"style="text−align:justify;">WritofAmparoandPresidentialImmunity–Lozadav.Arroyo(G.R.Nos.184379−80,April24,2012)</h3><ul><li><pstyle="text−align:justify;">Issue:WhethertheCourtshouldgrantawritofamparotoprotectLozada’slife,liberty,andsecurity;whetherpresidentialimmunityfromsuitapplies;andrelatedproceduralquestions(subpoenas,interimrelief).</p></li><li><pstyle="text−align:justify;">Facts:Lozadaallegedabduction/harassmentaroundNBN−ZTEinvestigations;petitionsforamparoandhabeascorpuswerefiled;CAdismissedthepetitionforamparo;issuesincludedwhethertherewascontinuingthreatandwhetherasubpoenashouldissue.</p></li><li><pstyle="text−align:justify;">Holding:TheSupremeCourtdeniedthepetitionforamparo;itheldthatthewritismeantforcasesinvolvingongoingthreatsofextrajudicialkillingsorenforceddisappearances;here,theCourtfoundnocontinuingthreat;theamparopetitionwasmoot.TheCourtdiscussedpresidentialimmunity,notingthatsittingpresidentshaveimmunityfromsuit;post−tenureimmunityquestionsmaydiffer,butthecourtstillanalyzedthemeritswhenimmunityisnolongeroperative.</p></li><li><pstyle="text−align:justify;">Proceduralnotes:TheCourtemphasizedthatamparoreliefrequiressubstantialevidenceofongoingthreat;thendeniedinterimreliefs(TemporaryProtectionOrder,etc.).Itcommentedontheneedtoavoiddilutingtheremedy.</p></li><li><pstyle="text−align:justify;">Takeaways:Amparoscopeislimitedtoongoingthreatsordisappearances;immunityconsiderationsdependonwhethertheofficialiscurrentlyinoffice;reliefsrequiresubstantialevidence;proceduralsafeguardsforamparopetitionsarestrictbutflexibletoavoidinjustice.</p></li></ul><divdata−type="horizontalRule"><hr></div><h3id="e2f4b5b3−efe9−420b−82f4−9002819dcd27"data−toc−id="e2f4b5b3−efe9−420b−82f4−9002819dcd27"collapsed="false"seolevelmigrated="true"style="text−align:justify;">DiplomaticImmunityandStateImmunityfromSuit–KhosrowMinucherv.Scalzo(G.R.No.142396,February11,2003)</h3><ul><li><pstyle="text−align:justify;">Issue:WhetherScalzo(aUSDEAagent)isentitledtodiplomaticimmunityandwhetherScalzoandtheUSgovernmentcanbejudgedinPhilippinecourtsforactionsunderhisofficialcapacity.</p></li><li><pstyle="text−align:justify;">Facts:MinuchersuedScalzofordamagesarisingfromadrug−traffickingarrest;Scalzoclaimeddiplomaticimmunity.ThecaseexaminedtheViennaConventiononDiplomaticRelationsandthestatus/roleofattachesversusdiplomaticagents.</p></li><li><pstyle="text−align:justify;">Holding:TheSupremeCourtheldthatimmunityappliestodiplomaticagentsperformingdutiesofadiplomaticnature;thestatusofsomeUSpersonnel(e.g.,attaches)maynotautomaticallyconferblanketimmunity.TheCourtfoundthattheevidencedidnotconclusivelyproveScalzo’sdiplomaticstatusinthesenseneededforimmunity;nonetheless,theCourtacknowledgedthatimmunityisaprerogativeoftheexecutiveanddependsondiplomaticstatusandconsentofthehoststate.Thepetitionwasdenied,effectivelyleavingthestate−immunityframeworktogovern,withanarrowdoorwayforimmunityifScalzo’sactswereperformedinhisofficialcapacityandwithinthescopeofhisassignment.</p></li><li><pstyle="text−align:justify;">Legaltakeaway:DiplomaticimmunityisconstrainedbytheViennaConvention;immunitiesdependonofficialstatus,function,andhost−stateconsent;actionstakeninthelineofofficialdutiesmayfallwithinimmunitydependingonhowtheactsarecharacterizedandproven.</p></li></ul><divdata−type="horizontalRule"><hr></div><h3id="88eeced1−017b−4b65−bb77−73493463a14b"data−toc−id="88eeced1−017b−4b65−bb77−73493463a14b"collapsed="false"seolevelmigrated="true"style="text−align:justify;">Quicksynthesis:Corethemesforexamprep</h3><ul><li><pstyle="text−align:justify;">Policepowervs.constitutionalrights:Governmentpowertoregulatemustrespectdueprocessandcontractliberty;broadpolicepowercannotoverrideexplicitconstitutionalprotectionsorcompelprivatecontractsinwaysthatamounttotakingpropertyorlibertywithoutcompensation.</p></li><li><pstyle="text−align:justify;">Malaprohibitavs.malainse:Foractsprohibitedbystatute(especiallyregulatoryoffenses),intentmaybeimmaterialtoliability;proofofstatutoryviolationandprobablecauseiscentral.</p></li><li><pstyle="text−align:justify;">Prospectivityofpenallaws:Generallyprospective;onlyretroactiveiffavorabletotheaccused;constitutionalchangesaffectingpenalties(e.g.,deathpenalty)requirecarefulalignmentwiththeConstitution’sprovisionsandexistingsentences.</p></li></ul><pstyle="text−align:justify;">Juvenilejusticeretroactivity:Newjuvenile−protectionlawscanapplyretroactivelywhenfavorable;civilliability(damages)canstillariseevenwhencriminalliabilityisexempted.</p><ul><li><pstyle="text−align:justify;">Amparoandimmunity:Writofamparohasnarrowscope;ongoingthreatsarerequiredforrelief;presidentialimmunityaffectswhocanbesued,andthecourtdistinguishesbetweenofficialactsandprivatecapacity.</p></li><li><pstyle="text−align:justify;">International−lawboundaries:Diplomaticimmunityhingesonstatusandduties;stateimmunityprotectsforeignstateactionsinitscapacityasasovereign,butrequiresrecognitionofstatusandproperproceduralgrounding.</p></li></ul><pstyle="text−align:justify;"> ext{Key references: }</p><ul><li><pstyle="text−align:justify;">Act ext{ No. }3071,Sec. ext{ }13,Sec. ext{ }15</p></li><li><pstyle="text−align:justify;">R.A. ext{ No. }9344(JuvenileJusticeandWelfareAct)