| 1 | 1 | | FIRSTREGULARSESSION |
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| 2 | 2 | | HOUSEBILLNO.263 |
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| 3 | 3 | | 103RDGENERALASSEMBLY |
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| 4 | 4 | | INTRODUCEDBYREPRESENTATIVEHOVIS. |
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| 5 | 5 | | 0145H.01I DANARADEMANMILLER,ChiefClerk |
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| 6 | 6 | | ANACT |
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| 7 | 7 | | Torepealsection490.065,RSMo,andtoenactinlieuthereofonenewsectionrelatingto |
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| 8 | 8 | | expertwitnesses. |
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| 9 | 9 | | BeitenactedbytheGeneralAssemblyofthestateofMissouri,asfollows: |
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| 10 | 10 | | SectionA.Section490.065,RSMo,isrepealedandonenewsectionenactedinlieu |
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| 11 | 11 | | 2thereof,tobeknownassection490.065,toreadasfollows: |
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| 12 | 12 | | 490.065.1.Inactionsbroughtunderchapter451,452,453,454,or455orinactions |
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| 13 | 13 | | 2adjudicatedinjuvenilecourtsunderchapter211orinfamilycourtsunderchapter487,orin |
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| 14 | 14 | | 3allproceedingsbeforetheprobatedivisionofthecircuitcourt,orinallactionsorproceedings |
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| 15 | 15 | | 4inwhichthereisnorighttoajurytrial: |
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| 16 | 16 | | 5 (1)Ifscientific,technicalorotherspecializedknowledgewillassistthetrieroffactto |
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| 17 | 17 | | 6understandtheevidenceortodetermineafactinissue,awitnessqualifiedasanexpertby |
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| 18 | 18 | | 7knowledge,skill,experience,training,oreducationmaytestifytheretointheformofan |
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| 19 | 19 | | 8opinionorotherwise; |
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| 20 | 20 | | 9 (2)Testimonybysuchanexpertwitnessintheformofanopinionorinference |
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| 21 | 21 | | 10otherwiseadmissibleisnotobjectionablebecauseitembracesanultimateissuetobedecided |
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| 22 | 22 | | 11bythetrieroffact; |
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| 23 | 23 | | 12 (3)Thefactsordatainaparticularcaseuponwhichanexpertbasesanopinionor |
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| 24 | 24 | | 13inferencemaybethoseperceivedbyormadeknowntohimatorbeforethehearingandmust |
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| 25 | 25 | | 14beofatypereasonablyrelieduponbyexpertsinthefieldinformingopinionsorinferences |
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| 26 | 26 | | 15uponthesubjectandmustbeotherwisereasonablyreliable; |
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| 27 | 27 | | 16 (4)Ifareasonablefoundationislaid,anexpertmaytestifyintermsofopinionor |
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| 28 | 28 | | 17inferenceandgivethereasonsthereforwithouttheuseofhypotheticalquestions,unlessthe |
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| 29 | 29 | | EXPLANATION—Matterenclosedinbold-facedbrackets[thus] intheabovebillisnotenactedandis |
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| 30 | 30 | | intendedtobeomittedfromthelaw.Matterinbold-facetypeintheabovebillisproposedlanguage. 18courtbelievestheuseofahypotheticalquestionwillmaketheexpert'sopinionmore |
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| 31 | 31 | | 19understandableorofgreaterassistancetothejuryduetotheparticularfactsofthecase. |
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| 32 | 32 | | 20 2.Inallactionsexceptthosetowhichsubsection1ofthissectionapplies: |
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| 33 | 33 | | 21 (1)Awitnesswhoisqualifiedasanexpertbyknowledge,skill,experience,training, |
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| 34 | 34 | | 22oreducationmaytestifyintheformofanopinionorotherwiseiftheproponent |
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| 35 | 35 | | 23demonstratestothecourtthatitismorelikelythannotthat: |
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| 36 | 36 | | 24 (a)Theexpert'sscientific,technical,orotherspecializedknowledgewillhelpthetrier |
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| 37 | 37 | | 25offacttounderstandtheevidenceortodetermineafactinissue; |
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| 38 | 38 | | 26 (b)Thetestimonyisbasedonsufficientfactsordata; |
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| 39 | 39 | | 27 (c)Thetestimonyistheproductofreliableprinciplesandmethods;and |
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| 40 | 40 | | 28 (d)The[experthasreliablyapplied] expert'sopinionreflectsareliableapplication |
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| 41 | 41 | | 29oftheprinciplesandmethodstothefactsofthecase; |
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| 42 | 42 | | 30 (2)Anexpertmaybaseanopiniononfactsordatainthecasethattheexperthasbeen |
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| 43 | 43 | | 31madeawareoforpersonallyobserved.Ifexpertsintheparticularfieldwouldreasonablyrely |
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| 44 | 44 | | 32onthosekindsoffactsordatainforminganopiniononthesubject,theyneednotbe |
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| 45 | 45 | | 33admissiblefortheopiniontobeadmitted.Butifthefactsordatawouldotherwisebe |
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| 46 | 46 | | 34inadmissible,theproponentoftheopinionmaydisclosethemtothejuryonlyiftheir |
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| 47 | 47 | | 35probativevalueinhelpingthejuryevaluatetheopinionsubstantiallyoutweighstheir |
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| 48 | 48 | | 36prejudicialeffect; |
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| 49 | 49 | | 37 (3)(a)Anopinionisnotobjectionablejustbecauseitembracesanultimateissue. |
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| 50 | 50 | | 38 (b)Inacriminalcase,anexpertwitnessshallnotstateanopinionaboutwhetherthe |
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| 51 | 51 | | 39defendantdidordidnothaveamentalstateorconditionthatconstitutesanelementofthe |
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| 52 | 52 | | 40crimechargedorofadefense.Thosemattersareforthetrieroffactalone; |
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| 53 | 53 | | 41 (4)Unlessthecourtordersotherwise,anexpertmaystateanopinionandgivethe |
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| 54 | 54 | | 42reasonsforitwithoutfirsttestifyingtotheunderlyingfactsordata.Buttheexpertmaybe |
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| 55 | 55 | | 43requiredtodisclosethosefactsordataoncross-examination. |
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| 56 | 56 | | 44 3.Theprovisionsofthissectionshallnotpreventaperson,partnership,association, |
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| 57 | 57 | | 45orcorporation,asowner,fromtestifyingastothereasonablemarketvalueoftheowner's |
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| 58 | 58 | | 46land. |
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| 59 | 59 | | âś” |
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| 60 | 60 | | HB263 2 |
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