Umbridge (theory) and Scrimgeour

[casmir2012]

No: HPFGUIDX 172571

Scrimgeour irritated me from the off, and I cringed when I had to read 
his scenes; however, he redeemed himself to me when he took Harry's 
secret location with him to his grave....or did he?  Those DE's showed 
up awfully quickly at the wedding after killing him.

Here's my Umbridge theory...

Do you think that she was so mean because she wore that locket 
regularly?  It seemed to have an effect on the trio...