香江女警探[九零] 第143(2/3)

张浩的肩膀瞬间垮了下去,像一只被戳破的气球,所有的伪装与强硬都烟消云散。

她将打印出来的监控截图推到张浩面前,画面上,他背对着镜头,肩膀前倾,身体微弓,右手明显做出一个向下倾倒的动作,清晰无比,无可辩驳。

“根据化学系实验室试剂领用记录显示,三天前,编号hg-071的一瓶高纯度工业级汞试剂莫名缺失,领用台账上没有任何登记记录。”

他张了张嘴,似乎想编造理由,却又卡在喉咙里,说不出口。

“我只是……只是系鞋带而已。那天我的运动鞋鞋带松了,蹲下去系鞋带,可能因为角度问题,监控拍出来看起来像是在做别的动作,纯属误会。”

审讯彻底陷入僵局。

“这个动作,你怎么解释?”

审讯室里的空气,仿佛在这一刻彻底凝固。

张浩的声音有些发颤,干涩沙哑,他下意识地舔了舔干裂的嘴唇。

陆振霆终于开口,声音冷得像冰,每一个字都砸在地上。

“一周前……用量大概……半瓶左右……”张浩的回答越来越含糊,眼神飘忽不定,彻底露出了马脚。

苏晴没有当场戳破,而是话锋一转,语气依旧平稳,却直击核心:“你的实验室里,存有大量汞试剂,对不对?”

这个解释听起来合情合理,毫无破绽,却又透着一股难以言喻的别扭与刻意。

“实验记录呢?”

“我们已经核实过,这瓶试剂,只有你有领用权限,也是你最后一次接触。你领走了试剂,却没有登记,为什么?”

提到汞试剂,张浩的心理防线终于出现了一丝裂痕。他的手指猛地攥紧,指节泛白,骨节凸起,脸上的平静被难以掩饰的慌乱取代,眼神开始躲闪,不敢再与苏晴对视。

陆振霆依旧沉默,目光如炬,死死锁住张浩,不给他任何逃避的空间。

“实验方案、原始数据、反应样本、检测报告,全部拿出来,我们当场核对。”

苏晴拿出提前调取的打印台账,推到张浩面前,指尖重重地点在那一行空白处。

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没有找到投毒容器,没有直接物证,所有的怀疑都只是推理,无法形成完整的证据链。

张浩在撒谎。但监控只能证明他在汤桶边逗留,却无法直接证明他投毒。汞试剂缺失只能证明他接触过毒物,却无法证明他将试剂带入食堂。

苏晴看着他慌乱到极致的模样,心里已经有了百分百的判断。

“实验何时启动?汞试剂用量多少?反应条件是什么?”陆振霆步步紧逼,不给丝毫喘息之机,“回答清楚。”

苏晴微微挑眉,嘴角勾起一抹冷冽的弧度。

“我……”

审讯室里陷入死一般的寂静。只有笔尖划过纸张的沙沙声、墙上挂钟滴答滴答的走动声,以及三人均匀却各怀心事的呼吸声,在狭小的空间里来回回荡,压迫感越来越强。

这起案子,看起来线索清晰、目标明确,实则像一团浓密的迷雾,看得见轮廓,却抓不住核心,摸不透真相。

苏晴示意警员将张浩暂时带至拘留室羁押,等待进一步取证。她走出审讯室,靠在冰冷的墙壁上,抬手轻轻揉着发胀的太阳穴,连日办案的疲惫与此刻的焦

良久,张浩才缓缓开口,声音里带着一丝刻意伪装的疲惫与无奈:

“我用来开展自主实验了。最近在做一个重金属离子吸附的紧急课题,需要用到大量汞试剂,实验进度太紧,忙得晕头转向,就忘了及时登记台账,不是故意的。”

他低下头,声音小得像蚊子哼哼,几乎听不清:“还……还没来得及整理,实验还在中期阶段,数据没有汇总……”

“是。”张浩点头,神色坦然,“我的研究方向是重金属污染治理与吸附材料研发,汞是核心实验试剂,实验室常规配备。”

张浩的目光落在截图上,眼神瞬间闪烁了一下,嘴唇紧紧抿住,沉默不语。

晕,就站在汤桶旁边歇了一会儿,吹吹风,没有其他意图。”

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