一天深夜,一家临街的珠宝店发生了窃案,窃贼打破了店铺橱窗的玻璃,尽管店内的警报系统瞬间启动,警铃声大作,并惊动了巡逻警察以最快的速度赶往现场,但窃贼还是将价值超过数百万元的珠宝成功窃走,令珠宝店老板欲哭无泪。警察随后在案发现场进行了细致的侦察,试图搜集到有助于破案的证物。可是令人失望的是,他们居然一无所获,现场找不到盗贼砸碎橱窗玻璃后留下的任何凶器。而这家珠宝店橱窗是由厚 One night late, a street jeweler had a theft and the thief broke the glass in the store’s window. Despite the instantaneous activation of the in-house alarm system, the alarm bell rang and alerted the patrolling police to the site as fast as they could, Jewelry worth over millions of dollars has been stolen successfully, leaving the jewelry shop owner to cry without tears. The police then conducted a detailed reconnaissance at the scene of the crime in an attempt to collect evidence that would help to solve the case. But disappointingly, they actually found nothing, the scene can not find any weapons left behind after the thieves smashed the window glass. And this jewelry store window is made of thick