<strong>The</strong>re are many factors, such as stressand high anxiety, that can lessen theaccuracy of eyewitness memoryBiased lineups and photospreadsBias ca~~sed by expectations and leading qwstionsUnconsciom Tnnsference (Misahributcd fadarity)"...the phenomenonin wllich a persouseen in one situationis canfi~sed with or recalls as a pewn seen in a secondsituation." (Lohls. 1979. p. 142)Delay (time sum events wee wiu~cssed)Duntion of e!re~~t (usuall~ people tend to overestinmtetl~c duration of a stfesshl event)Rig11 levds of anxiety or emotion during a violent orstressful actStress and EearWeapon Focus (it refers to the cooce~~lratio~~ of a c~in~ewitness' attention on a weapon, such as a gun or We,wl~iclr ~tsults in the reduction of ability to ren~en~bcrother dctaii of the crhe) (Loftus Pr Doyle. 1992, p. 34)Cros9-~nctal idertification (individual n~embecs of aparticolarme have more diic111ty identifplg membe~s ofa different ~nce, arul me n~ore prone to guess the identity)(loft~~s&Do)~le. 1992. p 97-100)Emotion & Memory'"IheYerkes-Dodson Iawsa~~lhat ex%renle slress and arousal interfereWMI a person's ability to process iufo~.mation." (Loftus, 1979, p 172)"People find it hasder to recall inforn~atioiol~ about a violent event thana nonviolent one ..."(T.ohs, 1979, p 174)<strong>The</strong> notron that an ehtrcmely violeut incident prod~~ces a 'flaslrbuib~nen~oty' or b~nns an indelible print in mnen~o~y, cnphnh~g di perceptionsnftlle momalt ~II a permanent, vivid ad acculnte mano~y, sknplyis fdse." (Ymmney 1990, p 295)Just because an eyewitness is certainthat his or her memory is correct, thaidoes not mean that the memoryis truly accurateinaccu~nqof eyewitness idmtifcatfion." (Ymmey, 1990. p 316)In other words, you can not judge how accutnte someone's memo-~y is from how ceetain they are that tlteir memory is correct.Photo-Biased IdentificationBeseacI~ shows that viewing photogql~s prior to makiiig identificationcan taint the identification and lead to Mse idedcation. Tlusis known as "photo-biased identi5cation."Photo exposure makes a face look familiar. Witnesjes~vill often, ata later identification, ~~lnistakenly believe illat fan&rily comes fim theoriginal a n ent, rather than from the intc~'i'iening espos~~rc to the photograph.It is not possible to separate which event the witness is identi-~g-that wl~ich kt occnrred or the latcr viewing of the photo.Persons appeartng in ideuti6ation lineups who also appeared illprior photos, such as mug shots, may be at greater risk for false ideetficationWhen obse~wtions ofphoto mnys or lina~ps me involved, sip&cant problen~s with reliability can arise. <strong>For</strong> example, "t~nconscio~~sh%nsfera~cc" may occur, whereby a person seen in one situation isconfused with or redled as a personseen in anotl~er slt&?tion.Poblicit). abo~~t a case or person, another form of post-event informntion,cm also rw~lt PI a photo-biased identitkatior~, lasing a seriousqmshon as to the reliability of the pl~oto line-up proced~~re.Eyewitness identificatiou LUI be shown to be unreliable 8 the eyewitnessselected an individual who, dtI~ongl\ ~~nmnuected to !he crime,nvs elposed to media covelzge, and the witness selected the photo ofthe s~~spect depicted UI the media.Viewing photospreads and line-upswithout careful instructions and precautionscan make errors worseI,inenp Bias"One of the gods iia lineup co~lsmction is to ensule that the suspectdoes not appear distinctne or salient in the d~splai." Narmey, 1990 p318) To safeguard hueup fairness, a n~unber of procednres sho~~ldbe used when they use line-nps or p11oiomre.eads. Vialations of thesepmcedura an resnit in XI udair line-up or photospread.Were [here anmerous photos in the photospread tliatlooked vistlally slniilm to the snspect's photo, or wrehere features of the other olrotos Illat made them distillguishnhlefrom the suspecl's photo?Did the police infeniewer clearly state that the achlalpetyetrator might not he in tile photospred?Were the pictures B the photospmd shown sequentially?Codd "mock nimeses" (not me witnesses) pick outthe sl~spect st a rate that is ptertlm cbance?Tl~e lack of co~~eq~ondence bemen eyewitness certmt). and eyewitness ;~cnllxcy is apppparent fro01 shldies showing that eyewitnesseslc~tl of confidence remains constaut regardless of the acco~ney or22 VOICL FOR THE DEFENSE \N\NW.TCDIA.COM OClOBlR 2001
In cases when convictions have beenoverturned because of new evidence,the most common reason for theoriginal convictions were inaccurateeyewitness identifications of people"...eyewitness misidentikalior, is the principle factor in oser 11,aIf ofdl \\'rongfi~l felony con15ctions." (Yarme); 1990, p 289)"Mistaken identifications are the greatest single cause of wronghllcon\ictions."(\Veils & Lofhrs, 1984)Attacking the Admissibilityof the Government's EyewitnessIdentification Testimony<strong>The</strong> United States Supreme Court has advised that "Reliability is thelinclipi~~detennirliag the ndnussibili5 of ide~~tificatioa testimon)?'.11Ifl~sor1 U. Brnthwnite, 432 US. 98, 114 (1977). In Xeil u. Biggers,409 U.S. 188 (1972), the S~~prenle Cou~t listed the facton: to be consideredin detern~ining the reliability of a pre-trial identification. <strong>The</strong>secriteria include: (1) the opportunity of the nitness to view the crin~inalat the tune of the clime; (2) thc witness' degree of attention; (3) theaccuracy of the wihless' prior description of the c~iniinal; (4) the levelof certainty demonstnted by the nitness at the co~lfi.onteh; and (5)the length of time behveeeen the crinle and the co~lfi.ontation. See UnitedStatma Rogers, 126 E3d 655 (51h Cir. 1997).\Vl~en the constih~tionality of a pl~oto artagorsin~ilarpre-trial identificationprocedure is challenged, the due process clause of the UnitedStales Cotlstitution requires the court to collduct a hvo-step ilquily.<strong>The</strong> court nllrsf firs determine wl~etl~er the pl~oto army or procedurew;cs iepernussibly suggestive. If so, the court proceeds to determinewhether the idenrifications were ~neverthcless reliable imnder a "totalltyd the ckcumstances" ntialysis. Evidence of a pretrial photogq~lucidentification ~vill be inadmissable only if the pl~otog~aphic irlentificalion procedure is so suggestive as to rise to a my substantial likelihoodof irreparable nlisidentification. Simro~n u. UrritedStntes, 390U.S. 377, 384 (1968); UrritedStcrtes u. dlerk, 794 12d 950, 957 (5"lCil: 1986)In considering the suggestiveness of a photo arm) for cxunple, thecourl cansitlets the size of the mu!: its manner of pl-csen$tion by officersand the details of the photos themselves.A defendant's right to due process includes his right not to be victimizedby suggestive police identification procedures, inch~ding suggestivedisplays of pl~otogclpl~s that create avely substantial likelihoodof irrepaublc ~~~iside~~tificatio~~. Sirrrrrrorrs u. U~rited States, 390 US.377 (1968); UrritedStrrtes a dlerk, 794 E2d 950 (5Ih Cir. 1986).Pdwe to object to a suggestke in-court identification is groundsfor ineffective assistance of counsel. See UnitedStntes u. Mller, 229E3d 649 (7" Cir. 2000). See also IViikersorr a Coin, 233 E3d 886Cir. 2000) (hit on questionQ eyewitness violated ConfrontationCl;~use). EReferencesLoftus, E.E (1979).Qeriiitrress Testi~rlollj!Ha~vard Uni ersity PressLoftus, E.E and Doyle, J.M (1992)Epruitr~ess Tcsti~r~o~ql:<strong>The</strong> hlichie Con~pan): 2nd Ed.Wells, G.I.. & Loftus, E.E (1984)Eyeruitrress Testi~rro?y:Ps~chological Perspectiues,Campbridge Uuiversity Press.Yuille, Jolu~ C; Tollestrup, Patricia A.JorrrrrfliofAppliedP~ycholog~~ 1'0175, Jun 1990, pp. 268-273Yameb A. Daniel (1990).U~rderstm~di~g Police andPolice IVork: P~:~~chological issrres.New l'ork Unive~sity Press.U.S. Department ofJustice (1999).E~e~eitt~essEuide~lce: A Guide for ~ruBrforce~nerrl.<strong>The</strong> entire seminar is on audio cassette for only $85.00contact the TCDLA home officeOClOBER 2001 W.1CDLA.COM VOICE FOR THE DEFENSB 23