<prompt> Pfupisa nyaya yacho: Boston CNN Akanga ari 9:35 mumusi weChina usiku muna April 2013 uye mukuru wemapurisa weMassachusetts Institute of Technology John DiFava akanga ava kuda kukanda mapfumo pasi. Paakanga achibuda, akaona mumwe wevakuru vake vaitsvaka basa, Sean Collier, akagara mumotokari yake. Akamira kuti ati husiku hwakanaka. Ndakakurukura naye kwemaminiti mashomanene. Ndakamuudza kuti ave akachengeteka ndikabva ndaenda, mukuru mukuru wacho akaudza dare rakazara neChitatu. Akafungidzira kuti kurukurirano yacho yakatora maminitsi matatu, zvichida mana. Wakamboonazve Sean Collier ari mupenyu pashure pacho here? Mutevedzeri woMuchuchisi weUnited States William Weinreb akabvunza. Handina. Isingasviki awa gare gare, Collier akarara achibuda ropa mumotokari yake yepurogiramu pashure pokumhanyirwa ndokupfurwa mumusoro. Suo remotokari yake rakanga rakavhurika, uye tsoka yake yakanga yakabatwa pakati pegasi nemabhureki. DiFava nemamwe mapurisa, vachibatsirwa nemavhidhiyo akachengetedzwa, vanodana 911 uye mutyairi webhasikoro akanga ari oga akanga achipfuura, vakarondedzera nguva dzokupedzisira dzaCollier pakutongwa kworufu kwomunhu akabvuma kuti ndiye akapfura bhomba reBoston Marathon Dzhokhar Tsarnaev. Mutyairi webhasikoro, Nathan Harman, uyo ari kupedza zvidzidzo zvake zvemathematics paMIT, akanongedzera Tsarnaev mudare ndokumuzivisa somurume aiva nemhuno huru, uyo waakaona achizendamira motokari yaCollier. Akati Tsarnaev airatidzika kuva ari oga. Tsarnaev, uyo akanga ava nemakore 19 panguva iyoyo, haasi kuramba kuti akanga aripo pakaurayiwa Collier manheru aApril 18, uyewo haasi kuramba kuti akanga apindira pakuputika kwebhomba mazuva matatu akanga apfuura uko kwakauraya vanhu vatatu uye kukuvadza vamwe vanopfuura 240. Vachuchisi vanoti Tsarnaev nomukoma wake mukuru, Tamerlan Tsarnaev, vakauraya Collier nokuti vaida pfuti yake. Asi nhamburiko dzavo dzokuitora dzakapinganidzwa nebhokisi rokudzivirira. FBI yakanga yabudisa mapikicha ava vaviri maawa mashanu akanga apfuura, uye vakanga vachitiza. Asi Tamerlan, ane makore 26, aisazorarama usiku ihwohwo. Akaurayiwa mukudzingirira uye kurwisana nepfuti nemapurisa kwakatanga nemishumo yemuchengeti akakuvara paMIT. Mapurisa eMIT, ayo akasarudzwa samapurisa chaiwo nePurisa reHurumende reMassachusetts, anofamba-famba pamusasa wakakura muCambridge...  <response>: Uchapupu hunonangidzira ngwariro parufu rwokupfura rwomupurisa weMIT, 26. Sean Collier akaurayiwa mazuva matatu pashure pokuputika kwebhomba kweBoston. Mutyairi webhasikoro anoziva Tsarnaev, anomuisa panzvimbo yokuponda kwaCollier. 