警犬技术在命案侦破工作中的应用

警犬技术在命案侦破工作中发挥了独特作用,本文对2004～2006年全国公安机关使用警犬侦破命案情况进行了调查统计和初步分析。同时,结合警犬使用实战案例,总结归纳了警犬技术在侦破命案中的应用及其作用,以期对侦破命案的指挥者使用警犬技术提供帮助。     

譬犬迫捕擒获命案嫌疑人

2006年7月12日凌晨，秦皇岛市公安局刑警支队技术三大队使用警犬，在距案发仅7个小时后成功将命案犯罪嫌疑人毕某抓获。     

使用警犬侦破命案六要点

警犬技术作为刑事侦查破案的重要手段,担负着有条件使用警犬的刑事案件的追踪、鉴别、搜捕、刑事搜爆等工作。警犬技术在命案侦破中应如何更好地发挥作用,是摆在全体警犬技术工作者面前的一项重要任务。本文谈谈使用警犬侦破命案的6要点,供大家参考。     

一起命案使用血迹搜索犬解析

今年初,为使警犬技术在侦查破案刑侦主业上、尤其是在协助命案侦破上充分发挥警犬技术应有作用,南京市公安局警犬大队在学习借鉴"厦门血迹搜索犬经验"的基础上,积极探索血迹搜索犬的训练和使用,警犬血迹搜索在命案侦破中多次发挥重要作用,其中南京市     

对两起命案中警犬使用的思考

警犬技术在郑州刑侦战线作为一支长期存在并发挥重要作用的力量,在协助命案侦破上展示了应有技术特点。2011年以来,在几起命案中警犬都直接找到重要犯罪物证,正确指明犯罪嫌疑人逃跑方向的精彩案例。笔者有幸亲历其中,感想良多。现择取两起案例分析讨论命案现场成功警犬使用的经验教训,从中探究现阶段城市化条件下现场用大的思路。     

鹰潭铁路警犬成功破获一起故意杀人案

正一、案件基本情况2014年6月10日23时20分许,接上级指令:19时40分许,余江县邓埠镇某村发生一起命案,村民陈某某被杀死在家中,余江县公安局刑侦大队请求我处警犬工作队派员携犬协助破案。二、警犬使用经过接令后,警犬工作队立即指派训导员吴剑携警犬"奥迪"赶赴案发现场,由于鹰潭市区与余江县的案发地相距30公里,且环境陌生、道路状况生疏,到达时已是11日0时30分。据当地侦查民警介绍,根据命案现场情况及访问情况看,死者陈某某系他杀,且死者丈夫倪某某有重     

命案侦破昆明片区警犬大显神威

昆明片区各省(区、市)警犬技术部门在2005年的命案侦破专项行动中,结合警犬技术特点,采取多策并举,多技术并用的“多元侦查模式”,“以侦破命案”专项行动为契机,充分发挥警犬技术在案件侦破中的独特作用,破获了一系列案件。     

命案攻坚战警犬显神威

北京市公安局刑侦总队警犬侦查训练大队认真贯彻落实“全国侦破命案工作会议”精神,从抓警犬“出现场率”入手,充分发挥警犬技术在侦破命案专项斗争中的作用,并取得显著成效。     

警犬『咬』出杀妻男子

2005年3月2日上午9时许，广西自治区柳州市公安局刑侦支队警犬大队接到支队李杨林副支队长的出警指令：立即出动警犬到柳南区柳太路和平砖厂参与侦破一起命案。接到指令后，警犬大队大队长廖文伟迅速组织人员携带警犬“马蜂”、“剑客”赶到现场。     

天水警犬“虎头”、“蒂斯利”直破一起命案

一、案件基本情况2013年5月12日16:30天水市清水县山门镇发生一起命案,清水县公安局请求市公安局警犬出动协助破案。二、警犬使用经过当日16:50警犬大队孙终荣接到分管刑侦副局长霍宝珊的指令后带领训导员魏路明、李培松携警犬"虎头"、"蒂斯利"迅速驱     

Heartworm in dogs in Canada in 1984

In late December 1984, 1853 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1984 and 35% of them responded. Veterinarians reported that 97,794 dogs were blood-tested to check for microfilariae and 1417 dogs (1.45% of those tested) were found with heartworm. Another 34 dogs were amicrofilaremic, but were diagnosed as having heartworm disease, to give the total number diagnosed in 1984 as 1451 (1.48%). Heartworm was reported from all provinces except Prince Edward Island and Newfoundland but most (1310) of the cases were in Ontario. In Quebec, 126 cases were reported mostly from west of Montreal.

Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 27% of the cases were observed with clinical signs of heartworm disease and 72% had a history of not having left Canada. Southwestern Ontario continued to be the primary focus of the infection.

     

Heartworm in dogs in Canada in 1983

In late December 1983, 2 800 veterinarians across Canada were sent a questionnaire in order to assess the status of heartworm disease in Canada in 1983 and 26% of them responded. Veterinarians reported that 59 504 dogs were blood-tested to check for microfilariae and 771 dogs (1.30% of those tested) were found with Dirofilaria immitis. Heartworm disease was diagnosed in all provinces except New Brunswick and Newfoundland but most (733) of the cases were in Ontario.

Heartworm disease was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 31% of the cases were observed with clinical signs of heartworm disease and 64% had a history of not having left Canada. Southwestern Ontario continues to be the focus of the infection and most of the dogs there had not left the province previously.

     

Heartworm in dogs in Canada in 1991

In late November 1991, 1883 clinics in Canada were sent a questionnaire to assess the status of Dirofilaria immitis in dogs in 1991 and there was a 60.0% response. There were 344,031 dogs tested for heart-worm (HW), 627 were found infected and the prevalence of HW infection was 0.18%. There were 417 dogs with HW in Ontario, 116 in Manitoba, 38 in Quebec, 53 in British Columbia, three in Alberta, and one in Nova Scotia. In British Columbia, all of the infected dogs but one were from the Okanagan valley which, as from 1991, is a new focus of infection in Canada. Most dogs with HW had not been on preventive medication in 1990, and the prevalence among dogs tested and unprotected was 0.59%. That prevalence was considerably higher in endemic areas. Companion dogs, over three years of age and maintained primarily outdoors in rural areas, were most frequently infected. One cat was diagnosed with D. immitis and 33 dogs had Dipetalonema reconditium.     

Heartworm in dogs in Canada in 1985

In late December 1985, 1485 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1985 and 44% of them responded. Veterinarians reported that 137,300 dogs were blood-tested to check for microfilariae and 1210 dogs were found with heartworm. Another 36 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number diagnosed in 1985 as 1247 (0.91%).

Heartworm was reported from all provinces except Prince Edward Island, Newfoundland and Saskatchewan but most (1126) of the cases were in Ontario. Southwestern Ontario continued to be the primary focus of the infection in Canada. From Quebec, 91 cases were reported mostly from and around Montreal. From Manitoba, 19 cases were reported from Winnipeg and surrounding areas. Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 28% of the cases were observed with clinical signs of heartworm disease and 78% had a history of not having left Canada.

     

Heartworm in dogs in Canada in 1988

In late November 1988, 1581 small and mixed animal clinics and institutional veterinarians across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1988, and 46% of them responded. Veterinarians reported that 181,577 dogs were blood-tested for heartworm disease and 367 dogs were found with D. immitis microfilariae. Another 60 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number of cases diagnosed in 1988 as 441 (0.24%).     

Heartworm in dogs in Canada in 1989

In late November 1989, 1732 clinics and institutional veterinarians were sent a questionnaire to assess the status of Dirofilaria immitis, and 51.7% responded. Of 247,716 dogs tested, 394 had D. immitis microfilariae and 51 were amicrofilaremic for a total of 445 cases and heartworm prevalence of 0.17%. Most (408) of these dogs had no preventive medication and the prevalence among dogs tested and unprotected was 1.01%. That prevalence was considerably higher in endemic areas. Thirty-seven dogs with heartworm had preventive medication. Heartworm was most frequent in companion dogs over three years of age maintained outdoors in rural areas. About 75% of the cases had never left Canada, 26% had clinical signs and 125 were not treated.

Heartworm was reported from British Columbia, Manitoba, Ontario, Quebec, Nova Scotia and Newfoundland, but 383 cases were in Ontario. South-western Ontario was the primary focus of infection. There were 33 cases in Quebec and 24 in Manitoba, mainly found in and around Metropolitan Montreal and Winnipeg respectively.

     

Heartworm in dogs in Canada in 1987

In late November 1987, 1246 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1987, and 50% of them responded. Veterinarians reported that 165,428 dogs were blood tested for heartworm disease and 511 dogs were found with D. immitis microfilariae. Another 78 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number of cases diagnosed in 1987 as 589 (0.35%).     

Heartworm in dogs in Canada in 1986

In late December 1986, 1224 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1986; 46% of them responded. Veterinarians reported that 150,989 dogs were blood-tested for microfilariae and 869 dogs were found with heartworm. Another 65 dogs were amicrofilaremic but diagnosed with heartworm disease and one was found with heartworm at necropsy to give the total number diagnosed in 1986 as 935 (0.62%).

Heartworm was reported from Manitoba, New Brunswick, Ontario and Quebec, but most (810) of the cases were from Ontario. South-western Ontario continued to be the primary focus of the infection in Canada. There were 103 cases reported from Quebec, mostly from and around Montreal, and 21 cases from Manitoba, from Winnipeg and surrounding areas. Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 33% of the cases were observed with clinical signs of heartworm disease and 81% had a history of not having left Canada.