kids. a girl a a b who sadlyied young of a brainancer.jan pt jan ke the house mainly, and sold i have an sold an prucart-me th desthhouse th. life issou was gd r e tw>> theloch oth v much >> daughtejessicmew rdiny clhe s werejo athe hip. >> if dad went shopping, my me went with her. they talked t pho several tida they we. >>hely were the es >> yes. s. >> personalities? gaas the, ouoing o >>was jolly man, kinof like a santa claus >> jana lile me reserved. >> it might take a little t mo to know her once she warmed up to you, she was ryli. when gary reteds beloved assistant school

all the time in the worlto vit r ttfields, scoufl scour flea markets, and pore over his antiqueatue but there was a lucrative sideli to hiobssion over memorabilia. gary's brother, rry tyrell. >> he nstantly colleed coins, bought and sold trinkets. >> and did well at it? >> gary s a gousinessman. >> t he gd silv wt one of the fe savein sfewere in thhous >>e inan jewel, quithat heedhawas ri? >> probausus. edho. >> they weare,acwo around $10,000.>> how wfise things? >> not reallsure.they did go to flemarkets an

that. y time iou ask him, you know, where did you get this, he would oh, in ravels >> in 20jason murray became of tamand jeica t enged. he rememrs the ws tusks as ll as all thotr unusual items in tyrl home tre wasmuch stuff in that hyet it wasmala. it was l o beat museum. >> jescand jon lived almost 300 miles away oklahoma city. but jessicspoke th or ed rentseveral times a day. but that alled on y 1st. i h cled my mmy way to work, liki wa do. anshe di answe so ihoughtwell, maybshe's the bathroo may s'soutside.caed back and i il did not reacher.y noon, jess still couldn't reach her

thuse. when the ficer did that what d he port back y? >> thanothinseed out of ple. th couldn't e anything in the house e doors were s absolutely no gns of forced entry tng appred to bout ofce >> t officer had no cause to force his way into the house, and ft. t jessica sa she was s worried. she a jason jped in their car to make the five-hour drive springfield.thiv athe housound 7:00 p.m. >> a wrothe er thouse, h garage door buon. and th their cars were in the ga. >> that bad newsorou. >>. wt did that imply? >> that was methg terr w. essica called 911 withou ever going past thgara into the ho two ofcers arriv witn minutes.

arrived,nd tanot a then another, d then another. >> and you're waiting outside. >>'m waiti outside. >> no one said aord to jesca and son.they noticed pice off thh cre scpe. >> iind of g on to the officer ani said, wh i going on? y are theyalling frime scene tape? and in, you kn, he andaid, ion't know at's ing on all i know is there e two people in the house atre ed. >> chilling words ouide the tyrells' house. but were ing mpared toinvestigators would find inside.

t s annt aer i hear y bause i was therwh my dad suffered with diabetic nerve pain. if you he dietes and burning, shoing pain in yr feet onds, don't suffern silence! step on up d ask ur doctor about diabic nerve pain. tell 'em cedric sentou if you're lookg save money on your medicare pt d prescriptions, walgreensays, camed diem. seize the day get me out ofife and medicare pt d. just switch to walgreens for sin at'll beheigigof yr day. previecof y befoou f you ca g-dlarcopays on selelans. they say when mr. cln saw all the different thgs his new smart phone es... ...it remindedim of his magic eras. it not just fo mas on wal... it'sough on kitchen ease.. anbaroom grimeoo.

...all auntoh-eaner, mrcln. urea lesmega ere'ffceben e omegn shil thll unlike fish oil, megareis easily sorb ydy ..hi mes hrt ll, mega-happy ppr il mar pvetoncasomega-3 vels days. gare the ffces ea to so why do i cook? because i make test chicken nood soup. cause i make theest chken noodle soup. becae make the bestchicken noodle soup.for evy wayou make chicken noodle soup, ke it decious wi swanson . our next item is a genuine "name your" tool. this highly soht-after device from progressi can bers for... twenty gnd? -no! we are giving it away

the lines are blowing up! we've got deboh from poughkeepsie.flo:yeah, no, 'slo. you guys realizenyone can use e "name your price" to foee oprogree.com, rit? nervously ] [ pickles whines ] i know, it's likee always on telesion wh? there is no y allergies e gettinin my way. 14 days into my allergy season... ...and am still claritin clear. because when iot itchy watery eyes... ...irted takg claritin every day when youlergytoms srt, doctors recommend taking one claritin every day of your allergy season for couous relief. 23 days relief from sneezing... ...and runny nose. claritins powerful lasts 24ours... ...and it's non-drow. get the number one doctor recommended... ...non-drowsy allergy brand.

every day. daughter

ey d they didn't identify them,ut jessica says she knew it could bher moda >> and started crying and screaming becae i knewt was it s orstear. >> reporr: her fe, jason, was by hide, trying to console her. >> she was beyond upse shke sayin iorrymom. i'sorry mom. i h no details. i had no ia what happened. >> i'm thinking this is horrib and also it's carbon mon objection side. >> reporter: notenign but mething explainable. >> right, right. reporr: but inse offirs quicy d the ld omh-churni truth. jan and gary's deawere not acdent. >> it was going to be a lo investigatn. >> reporter: detecve neil amuss was onof their dectesn the scene. that nighte entered the me

first. >> we coulsee thathere w a deceased male in the hallway o the home. >>eporter: his pts wer pulled dn. what did youake of that? >>e didn't know. e only thi that weould thin was he's ying to get awm somebody, that the grabbingold of him. reporter:r was the kier rifling his ckets for someing? a y, maybe? a combination? in gy's ofce downstairs, the detective sajan. >> she was on e ground. she was lying face down. but itasbviously that ere was seve trauma to the bacof her head. >> rorr: swas th a violent ho invasio n and gary had more than a ha a milli dolla wor o valuables in the house there forthe grabbing, so a botched bbery was a lily scerio. and in the garage, pice did find strange marks and scratches on a tornado shelter that was also used as a safe.>> it appeared that sobody had trd to pryhe locop there we some rks that were by the loc the door of the tornado shelr. >> reporr: they didn't get

>> idinot appear tha did, no. >> reporter: buthaul suggmebody'sooki for soth y. reporter: bf robbery was thplan, the killer had left the odall muum strangely intact. nog appeared tossed or o oflace. and the nature of the killings -- garyas s wes beatenlume tohe prosecutor edo e se, toddrsit sms tben ent peon ithis t, . thlose qrter killi of medy with a weaponn your ha yes, dinity seemed to ptype kling, st alinvolv. >> reporter: iestirs termin jndary were likely killed the ght before. but arch athey might forhe murder weapons, e n and the brujenning bludgeoning instrument, ofcers ce up emhand. but they did recer some unusual evence. arounjan'body tree small e fla

eier fthe murder weapon on theurderer's body.there were sim flas found by the wound to gary's head. >> repter: so they bagged them and sent toff for testing. and the crimscene tech reremeing else tt could be a ccial piece of evidence, a discard lax glove. so a latex glove on the floor jumpedut at you. >> totally out of and from talking with everybody, that tre is no way that gary or jan wou have left that the. it was right in the middle of the floor for everybody to see. repter: did it belong t thcts theler? kw. so it's collected. you n't knowhait mns wdot ow what it means. and it was collected. seo the highway patrol crime b. >> reporr: they d no ia, no working theory yet of why the co hadn edt thidatade nse orde dea t d to tha ry is shot upstairs if jan is still fullfunctiong an

lled 911, would not have tried to intervene in someay. spela b comn sense lls yos the first victim >> she's t first vic yes. >> rorter:y arrives at some point later. >> most likely he arrives either while that is ongoing or the kis g for them. but yes, it aps that s would have been the first to ha died. >> reporter: a big question early on for detecves was dersing eir cre ene. w killeraientr thhous >> tree no snsrcedentr >> reporter: windows haven't beenorced. the doors are l intact. how did the kill get in? >> t are only two wa the killer cld have gotten in. e ulbe to have the own access device, whether it's a y, aarage door opener, some way that would open the ors up.and then uleing, be able lk it that y. e beet intth house by either gary or jan. >> rorter:t didn'tear to the cops to be a randohome invasion but rather that the killer or killers had been

wait a persoryncount hisntiquing tve? or, teible to thinabt it, wathe ettor someone much closer thome was thisll in the mily? whhaa moti tll t tyrrel? inveigators ha at least one idea. >> s's the psoo coul benefit herem this crime in rms ofofetti money. nts th very ll-to-do lot that'infther. keepg keeping u protecd y weevermont every year you ready ma? always life is unpredictable, so embce it! head and shoulde. live fla free for lif

at olive garden, startingt $199. choose 3f 10 favores to enjoy on one plate. us uimited salad and breadscks. e best touof ily is the one you create. atlive garden. feel a spark of emotn light up every inch of you. feelarm de. feel our big beautul candle. fe glade jon. run away with me what will you be able to do in a je renegade? looun lr mh ything you w and i id h, hey hey hey livingike 're renes e most capable sll suv ever. wi availableelec-terintrtion control th can be adjusted to take on d, sor snow. get 0% apr financing fel qualified buyers

,,,,,,,,, two two ad. the wife beaten about the head wnrs. the husband shot twice upsirs. and springfid police had determined ts was no random break-in gone wrong. n and gary tyrrell'sodest home was fild wi valuable items. and yet atirst glae nothing ar thave been tan. arly supposition was their killer was likely someone close tom. and o was csethan ughter jessica. shis theerson who cod benefit here from is crime in terms of getting money >> shead the most to gn. shthe onhiho has pantthatre very well-to-hato ft to r. reporter: sg to be qha >> yes. >> reporter: so thatight, detectives asked jessica and ance jason down to thetation tonsr a few questions.

lking to tm not ju as grieving relatives but also as potential suspects.>> i'm obviouslyoing to take few notes, obvious, ase're talking. so don't let that bother you. >> reporter:he interviewer withld details about the crime ene. a standa investigative tacti to see ia subject knows more than they shou he even rew out a theoryhat wasn't true -- murder/suicide. >> one of the things we have to look at is ato wheth or not that one of them wou've injured thother and th maybe themselves. >> repter: jessica seed to go with it. >> do u thinthat's a possibilit>> my dad, since his mom died, has be superdepresseanhas made comments. and my mom called the doctor's officeand i told her if he d -- if he said something stupid before -- again, that she t the pole. li get t [le ] awaom hiand ll pic repter: ands they contind olicd anhere tbe scis of t daughte e'd driven five hourto che h parents then di't go

wond you wonder y she would do >> y. people sometimeshacoit a crime or know a crime that's n't want to see the din there y call somebody else reporter: decves prsed the couple aboutheir movements that day, what they did d had eyampered with tt toado shelter in the garage. >> you gs didn do anything to try to get inside? i mean i phed my hd onhe nd locked anat . rr: did y thit maybe are we looking at a siation re where we have to call a lawyer or be careful about what we say? >> i did, a little bit. >> rorter: but neither jason nojessicasked for a lawy and fered the detective more detail about what was in that tornadshter that hadeen tampered with. >> tafroom wasull of gold, and lver, and gold bars and i don't ev know -- >> we actual don't know what all's there >> i mean he has books that are

he has indian peace medals. e enreerviewas te>>re young to ld u are u going to give swer the can acd verify >> reporr: y so tend to sweat them? >> yes that was the tective's innt to the degree of just trying to make sure we get the truth. >> reporte did the the tedetectiveset them uteld ono a's toesit fontiaevence whdith have reason to ok our car? >> i didn't ly kw. i assumed it wasust because my car was the. >> reporr: n jescaad to call familand friends to tell them t news t r pant her e rr fhes brher, was at his law fice when he got the call. she said >>he said mom and dad are gone.ato u mean are they out of town no, they're deceased llse edd on the floor. reporter: you were a ss. wes e unown ng. 't kw at ened. l was shocked or outraged to learn his niece was being oked at as a

waftel, aminal defense torney andormer prosecutor. >> i knew she had to be eliminated. i undetood tha due to the fact th she was the only child. e justadbe eliminated so thathe case could ve on. rorter: andhe ce did keep movg. after a ll week of instating the daughter a fiance were not eliminated. th, deteives called them ck to the station, this time interviewed separately. jan first. ps by now had figured out th the murders took place the nig forehe bies were discered. so where ectly were he and jessa then >> we went tthe pizza hut up on -- i don't kn, probably 5:30 or something like thaand cameack and syed home. >> reporter: home five hours away in homa cit >> you remember how you paidor the zza t? reporter: then right tohe

>> you have any reason to juan to harm gary or jan? did into thhouse. evything you telling me th uth? >> absolutely. >> reporte next jessica was in the chair answering questions about her relationsh with her parent >> are they y ying any of your bills? >> they pay my at&t bill for my cell pne. pay my car insance. d i think that's it. reporter:'mgoing to ask. did you have any ings towards your folks? ything thayowould ve en madt them for, any reason to wt to harm them or anything like that? >> no. my parents were life. >>eporter: so bett you financial situatn or anythin li t >>o. i mean, if id thing, all had to ds ca k. >>eporteo yore a >>ht. >> repter: iyour parents dole homicide? yes. >> reporteow do you deal wi that? haven't ev burd them t. >> i wasn't really deali with it. it wasore just goi through

didn't do it. >> reporter: police askeboth jessica and jasofor a samples, then set out vify their alis. >> my boss and took a tr to oklahoma city, and we we to employer ske with fellow employees, witjessics boss, and we went to pizza hut to see ife could see some survllance video. >> rorr: wouldt all chec t or wld an unpectedead ndheestigati in nedireioase o me. >> it coming up -- gary's best friend offers dectives se clincludg >> there we ve in row from guy e hatahts king f money. >> someone nd cash badly

a l a long-term asthmcontrol medicine likehalecoosroid. eo w't repce a reseinhaler for sudden breatng problem breo opens up airways to hp impre breainfoa full 24hos. br ctains a type of medine that ireases t risk of death fr asthmproblemsany incrse the risk of hpitalizati in chdr and adoscents. breo is not r people whothma is well controlled a ng-term asthma control mecine, like ainhalecortictero on your asthma is well ntroll, your doctor will decide if you n stop bo and prescriba differenasma ctrolmedicine, like an inhaled corticosteroid. do not te br moran prescribed. see your docr if your asma does n improve ogets worse. ask your docto 24-hourreo could be a missing piece for you. see if you're eligible fo s free at mybr.com. how do y eat healthier, while you enjoy fe and lose weight? now u can do it all with one simple plan. the all-nesmartpoints from weight watchers. our most advanced plan ever. join for free. rry, join by march 3rd

behold, the magical powersf rgent! it'serfect f 's perfector all t pigpens outhere. thpeanuts moe. ming soon to blu-r, dvd and digital hd. , ja lmith u that's why she lovenew lit & fit greek non-fat yogurt moue. so fluffd it's he new alie obsession. light & fit feel freto enjoy. y ts! wanna maewvor combination to (cat vo #2) yeah'sake things up a notch! ad..cheese! (cat v#1and gotta have cod.

nothat's a tasty flavor mbination. (cat vo #1d we're just getting started. (avo) new friskies cat concoctions. delus differentflavor combinatis,

on an rly spng saturday may, 2014, e very day

go wding dress shopping with did it did . >> repte tt's ugto go

ne tlo at e ughter. shdid she has the most to gain. >> rorter: and they did take a hard look. >> y, they did. >>orter:heink the daht has killed niin oer to get the money tt she was cahoots with her fiae. >> isn't that awl? >> reporter: y might not have believ it or yr circle of ople didn't believe r kn - mrc- wat eving th >> reporteehd th , ce a prosecuto had co to the same nclusion -- jessica and jason were innocent. >> everything thatessica and jan were telling the police, e policeere able to rroborate and verify. >> andhey wentough everytng. they went through the phone records. the alibi waecked out top to bottom. >> it s. >> reporter: and when e dna sucame bacon the lex ove, neithf th tch.e dnbelonged to annknown male. was that a rr you? i mean, we kw we didn'to , so, mean, it s linow yone nd w >>ter: the cple felt ey cld help thei investigation their own amateur sleuthing. for instancehen jason went back to e housr thfirst time, he niced sething w

>> there was a display of litt y pieces and multiple waus tuskat are eved t type things. they had been moved rr walrus tuskare we talking about like so? >> the bne was about yea bi e other wasn't there at all. >> rorter: jason told po thne of gary's pritusks d behe mder weapon. the sour of those sterious white flakes. jessicnoticed meone had been at her dad's desk where he sortoins. >> he kem ndis desk infecans bs,d bengheor ga ep ciner t hakeli loose parking meter change miing. its actual value aund $20,000 according to her dad's records. thkiller would have known the real value only if he moved in thsa antique ces as ga, leasthat's wh the

ld or silver and someone had sehim nd had someone follow him home and t the drop him or jan. and had robbed him andilled m. >> reporter: sounds very plausible. >> that waa big rry i ha of wealth of wealth to peoe. it was always kept very quiet. the pe tt he wou inith, as r s e go alws very reputa peopl r: becsehe s noorto thee, y ofupery limitest oople h cesso e hoe. a handful of l contractors. i assume you were asking the garden guy and the cabmaker, whoever mighhaveeen in the house from larry's lis of people to give dna? >>ight >> reporter: at the sameime officers were reaching out to others in the couple's inner circle. gary's closest frid was mark

rmer schoopeendent >> for us it's just a wihing to do. >> he was handsome. he looked good. he dressed gd. when he first came tthe district he drove a jagu. eporte nan worked with boma. >> a they seemed to get along really well. worked well together. i thght they were frndat school and offf hool. >> reporter: so mark went down do the police stion to talk with itigators. ll right. . porter it's mar correct? ea >> do you mind if i ca you mark? >> no. >> i just wa to kind of touc base with you and talk about how you kn them, how long you've knowth. >> i've known ry since probably 15, 20 year he w my assistant superintende. i was e superiendent. >> reporter: mark kn a lot about gary's coin business. he had started dabbling in it as ll. told detectives details that suggesd a fellow collector d haartethe

>> he's got people all or miouri and inow he goes to hotels andeetseoeoe anhe runs ads in the paper. >> rorter: accordingo mark gary set up one of those meetings around the time of his death and it involved a lot of money. >>e was actually going to sell $500of gold for cash. it was aually a buyer who wa going toive him $5000 in cashat's all inow. >>eporter: he alsoentied text mesges he'd seen on ga's phone from so other guy. >> gary asked to read him some othe xt messages. there wereive in a row from a guy that he taught in a class that was asking for money. >> okay. >> and i he no idea -- >> you d't rememr, w there a name aached the text? or a number? i can't rember. >> reporr: and rember, gary was shot as well as beaten. co he been with his own ns >> gary has guns everywhere. has guns in every drawer of the house, i t. i mean, he likes his guns. he lovesuns. >> reporter: b then mark gave detectiv a detail at too

h to me, lyat 8:0 wedneay, and didn't show. >> reporter: wednesday, e night of the murders. as t fir pic hearinof gary vi pns that night what else did the best frienknow? coming up -- ma gives a detaid account, one that troubles investators. >> there were several things tt ra mest >>nd the larry's brother reveals who he thinks had a motive for mder. inow he had some sort o bad fiial sue.ay new new special k urish. multgrn ak wi quino apples, almos and raspbeie

lly.shlille mlives in her vo princdress. buonce a week i leher play sheriff i c was. i use de to get ou the week old stains and downy toet it frh and so. you e free to go. tidend downy togeth.

>>spng spngfield police were taing gary's st friend mark porteo suggested plenty of theories about why gary was killed. he said gary's money was cat nip for l kinds of folks. >> peoplknew they d money were alwayask. >> reporter:hen mark revle something teesidn't kn he and gary had pls to mt at mcdonald's on thnight of the murders. >> how long do you tnk you waited on him? i waid probably a goo i e prab 75,minus. y. >> reporter: so the iend said he drove across towno stop by gary's h.

noing. didn'twer. i thougaybey re gone or ft. cause 'll leave.'lgo say, oh forgotp my b. i'm in kansaty. hclue mark told detectiv tt ad sto hi bore. igeaso he we back to his officat ibm to do so work. >> now thereere several things about that storyt raised some questions. >> reporter: like? >>iky uld you it 45 minutes fosomeone d t pickd veheca aayy rter:haup what's diyorget>>epor but wseemed allyan tmark

going to the house tther ahat exan explanatio es >> rorr: insidthe interview room the detective decided itas time fr a bak. >> give aouple seconds. i'll go back thend see if the's anything else. can get u anhing, coke are r? >> reporter:rying to me seof it alincling is bit informati. gary produre tolpoli nong o masked ry f a l put t reque in wng, nost a le t till pt an poppg $200 that's e kind of money if you can geit out of yo house a second mortgage maybe yo lucky. ight. rte what did ur father make dihesiit efor hear >> no, not aall. when he was talking to us about ithe was kind of laughing. dot know where hthinks i would ves kind of money. reporter: strge since not onlyouldar gary's former have had a nice peion as a rmerchool superintdent,

ght ve a gambling problem. >> i knew he had some sort of bad nancial ise. >> reporter:hen the ctive came back to the room,he tonof the intview had chang complete. have you ever had to k ry for money yourse? >> no,nly for -- only in trade or buying. >>epter: suddenly mark port was in the hot seat.>> so if i wasetting information om somebody who told me that maybe you had a larggambli dt. >> i do nove a large gambling debt. >> that you asked gary for mbe some assistance. >> no. >> would that be false? >> that'not true. >>orter: he denied aing for the loan, said the oy time discussarge sums mey with gary was aboua real estate deal. >> because he's ways looking for vestment, whatever. >>eporter: then detectives ked him the questi they' asked everyone else. would heera dnsample. iave like a cheek swab that i'll askf u are fine il that today. >> no, i going to wait.

th my torneys y i ouldn't have done that. >> why would you notive us a dna mple? >> reporter: it'ur bt frnd. r be fend. we're doing erythi we ca find whorutally murderedour bestrid and you're tling ushayou'reot sure you're going to ge d sample. >>eporter: theefusal wasn't idencef mark's guilt, so police let him go, but the investigation ddenly shifted away from the works at t tyrrell homed mark ecves hit thnt to check out his ali w others contied mining over av news for leads. one p oughto check aal database of pawn shops to see if any of the missing ims from the houshad been rectl sold. that srch th them here t r & k coins.ll us ur business end up being very important in a rder invgation. inpringfie. >> yes, si >> reporte it was twdays after and gary were killed

behind hisesk and a guy with a tub oinsked .s ate yose in m? wahe oy. >> he looked like any avere guy noing tuly stood outut hiat. >> rorter: he had piles of dimes,uarts, 50 ce piece whou add up the cealue what was iworth? >> he d 210 inace mone >> reporr: bhe meltdn value of tetal ielf was wort wha >> i paid him 8,35 >> repter: $18,351. a lot of money. and not far off the value of the coins jessa rerted missing from her parents' home. >> when he wald in and stacked his coins, your securityam iall? >> sure did. comi >>cong u--

>> d your shard stight whearha>> c describe the emn . >> fimle fily learni the trut >> i rember falling the floor. yep. yep... anothepill stop. n i get my aleve ck yet? fomy pain... i want my aleve. get alday minor arthritis in relie

hellmy he lov thame is out. ugflamis o owy ti... your mher... antonio.nton the stov it's wking. cabell's micwaveps. madeeal, r. aaaaaaaand we're back at cricket wireless!swchndet a brand new lg risio for $19.99,

crickewireless something to smile about. what hpens when loter getsried, bake pah even more lobster? you get hung anyou cot the cos til red lobstes lobsterfest is back with the largest variety of loter dish of the year like new dueling lober tailswith one tl stuffed with cra d the othewith langostino lobster mac-and-cheese, it's a partyn ate! anyou know eve bite 'lobsterover's dream' lives up to its name. hey, eatg iselieving.

mabrk tinvestigation. lver coins worth around e was ju was just simply that these were inat mark rt had, was st coiidence tt ey happened to beold the day after the rrls were killed. reporter: still for police, the friend, ibexecive, retired school superintendent

was now a prime ec the murders of jan a gary rrel >> i neverid like the guver d trust m. i ght he was shi of a fake. >> reporter: gary's brother rry always had a bad feeling about ma. and was cvied if mark was thkiller, e motive was moy. i felt at he was befriending and reuiting a groong my brother to gain access to s money. i thinover a perd of timhe san saw jan asn obac >>eporter: when jessica ard wlooking at she sn'tpris e dnhow up athe ful. >> reporte conspicuon his sence? >> i think it was pretty obvious that there wasomhing goi on. >> reporter: and his fme secretarsaid she hatedorking for mark porr. ended up quiinher toet away fm m. >> i said he's off ime way i don't . he could be a pspath or something, i said, iscares me. >> reporter: you usethat word?>> i did.

operion. he wouldn'tive a.n'ke aph. ordd to at the icawn shopnsaction and e story about stopping by the rrho t nht ofheurdersndal mark wabouthe night the killings only made them more certain. >> she had talked about mang a couple phone cal tmark, and that she couldn't gehold of m and shdidn't know wher was or what he was doing. >>epte butice still needed psil evena dna sample to matcto thalate glunat thecene. so they hatcd a an to get e. start iling mark porter? >> yes. >>eporter: cars outsidthe use? y, adver rswere csttly doing sueillan for weeks and weeks and weeks to trynd somehow obtain a dna sample fr hi >> reporte b nabbing a sampleroved more dficult than eecd. all tho weeks, fice contind toome up empty.

ey wch h go- cu and they were all excited because they thought they were going be able tt the st'ddrk with o p the stw upnd put it into his -go cup and ave th straw. eporter: so he knew that you guys had eyes on him? >>t's difficult to know what he kneathame. reporr: then thremont tethe muers, an dercer officer foll marinto an automobile oilhange shop. >> goes inside, mark's got a coff t'd gten from mcnald's.he's drinkg from t c strike up a sual conversatio >>eporter: theuspect and the undercer cop. >> obviously mk has clue at'soing on. as he's speaki with him, mark car gets done and he gets up andeaves and leaves behind the ffee cup. >> rter:ice d their sa and in less than 2hours, the had the results. it's coirmed. it's mch.

is thena from the lax glov>>oe das ju up when youear that? >> can even describe t emotion of ith we're going to be le to hopefully bring esutn tohe tyrrell ly >> rr: two weeater detectivrresd markorte at his office. how do you takth? you t the ong guy? this can't be? >> aolutelnot. he said okay and turned around anput his hands behind his back. that was the only word said. >> rter: jessica was at work when got the cl. >>wo of myery good fends wereh me. he said he's been reed. d i reme falngo the floor, andt being so erwhmed with relief he was fiy caht. >> reporte en e former secretary who didn't like hi was horried. >> i couldn't believe it. i me, thght,o. >> reporter: investigators went

hiat the sne of e ime.>> youeaed to help ouhere hedok w >> timthey were ll>>o. ma'a ma'. oy. ilcircumstan. >>e ve man her-- reporter: andhat's actly what mark poer's defense attoeyeemeready he haspotless record. five colle degrees andas an outainpast of good reputation. eporter: at a bond heari, defensrealed te. they wouldue thae was nothinsuspicious aboark's dna inde hesfrieho aegularisitor to e house, pter. heould get with gary and ey'd put otheigloves and handle theld coins a the objects and that's why the glove is there. jurors, it's bign. do youhink that works asn argument in the re worldf courtroom drama? >> potentially yes. >> reporter: but bhab thatat suspiciousoin sale? well, erwas wayo know

ry's house. and for t assumption that ma porter was a compulve leholess in you hatoonder if he got a okiee mob. dihewe moneyo heavy people? >> that was a ryhat equently talout. ere was never evidence that we that led to at. >>eporter: so the ca of potential deatpelty waightk d rneys asd tal aba plea dea t prwas willg to sten >> what e we willing to ri? tgethdeath nalty. cachve what we need to achieve wiout sk of gointorial? >> repter: could he walked. >>here's a chancof a hung jury and you have to do it all again. the's a chce they co bk on a lesser crime. reporter: both sides agreed. mark pter pleaded guty to twcounts of second degree mu and wasentenced to life rison. no eligibility for pare until he's 82.

sad. i have a lot orelief thamr. porter's finally going to behi bs prumab the rest of hilife. hhato live evy day with ate did. everday to think about and l ofurives he destye >> reporter: yousaying he has tohis fe in a kind of rorse, but you haven't seen any gn that there's that remorse. >> that's the only bad part. but he still h to sit there. >> reporter: today jessica is doing her best to move o febar 2015, she and jason finally got married. >> we t marrd on valentine's da while it w a gre day, it was al very samy parents werre. >> reporter:ar took his brother's place and walked her t aisle. >> she aed me to give her away, anwhat should have been my broth's job. reporteinof bittewe mont.

rig. >> reporte to keep her parents' memory alive, jessica s set up a scholarsh in their names. as for that offbeat museum of a me, itllre with a long daughter as caraker >> i still feel them there. ey lovt use. momlt thahoe. i grewp there. and so i can't let that go. >> that's all for this edition of "dateline." d, of co and, of cour, i'll s you eek ninbc "nht m erolt.r alofat nbcs,ood night.ion's eatest coms togto celebte tvirector james burrow with speci trites fromast "chee"... - need th anrearngmylf toet me to tjock feel. - you arckstrap. ex-jock. - you--

- do you he favorite jac and karemoment - aus] smany. ch wha[laughter] announcer: "frasie. - i could've pyeckck " & gce , cher? ch ghs] who's got the best talk show seattle? we do rit! anunce bry"... - where d "binga"come fm? wathours ohgoo. - don,ome here bazinga. banga. announcer: "taxi"... - wah! i need your opion here wch isthe stershav oh, [laughter] anuncer: "mike & m.. wathis just a hay accident of casting, or did youwo ach otr? auset works. mean, this is chemistry. - i was erinif youoing anythg, ife uld- cer: and the cast of riends." - i just wanted to s, well loveing you togher. - everyby ante. s! or no. - did you alsign contracts saying tt you wouldn't sleep withacotr? - dad,mething. - , no, sorr

to james burrows arts now. [phonegi] - he--ars throat hello. - uh, sean, it's jim. are you doing anything important today? - um... welli' wale when i g up,babl what's up? - i need your help. - oh, no. wh hapned thisime? you drop your keys in toilet ag ye that notwhi'm callg. look, i so of promisedthe head of nbc that i would put together this b special honoring jimmy burrows. - jimmy burrs? e you taing about veteran sitcom direcr jas burrows,known r ch hits as "cheers," "taxi "frnds," "frasier," "will & grace"? the james burrows whose photo i just happen to have next to my bed? uh, ye that jamurrows. promised nbc a year ago that ild put togetthis speal, t it's-- i've kind of procrastinated. - okay, okay, well, not a prlem. en is it?

- tonit? - no, i know, but can you help me out? it's just,i'm so swamped tay. you know, i just-- i don't have any time. look, alyou need to do isall evybody thatimmy burrows hasworked with the last 40 years and get them to show up tonighat 8:00. thank you so muc i'll calyou later. bye. no, you shut up. jim paons my be friend. no, you shutp. he's my-- - ll hello? okay, s , syinout ofhent tour, dd, o . oh, here o matimusic] hone ringing] ne rgi - ohhey, bud. tnk god aryou bu? - no, no, m just sit her tcng the new--what is- "sr warsmoe.