a Navy Seal who was killed in action seven years ago.

7年前在一次行动中身亡的海豹突击队员
His body was recovered in a subsequent mission,

他的尸体在后来的行动中找到
but the weapon was not.

但是武器丢了
Anything from the canine unit?

警犬科有何发现
Dogs picked up a scent.

警犬嗅到一股气味
Traced it to the west side of the cemetery,

一路延续到墓地的西边
but then they lost it there.

但之后就没有痕迹了
In a sea of cops, how does this guy go unnoticed?

在全是警察的地方他怎么能不引起注意
He may not have.

或许也不是没人看到
Half the guys we talked to said they remember seeing

我们调查的半数的人称记得看见过
a groundskeeper taking cover from the shooter behind a tree.

一名墓地管理员为躲避枪手藏在一棵树后
But according to the grounds staff,

但墓园的工作人员说