YOU SAID:

My husband scoped out the venue before we got there, it seems overkill.

INTO JAPANESE

私の夫は、着く前に会場の様子をスコープ、やり過ぎです。

BACK INTO ENGLISH

Before my husband arrived at the venue is scope, too.

INTO JAPANESE

私の夫が到着する前に会場はスコープも。