On Tue, 11 Jun 1996, Philip Mak wrote:

About that time travel thing... that police inspector at the end was 
going to say Kasumi Tendo got killed right? But if Kasumi's in the Tendo 
Dojo, how can she be in the bad guy's house?

Hmm. Let me try to explain this in a coherent fashion.

SPOILERS:
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Here is the original sequence of events.

May 20 - Kasumi leaves for her seminar
May 21 - Ranma & Ryoga encounter Cerberus
May 22 - Gunshot wound to Ryoga, Bomb planted
May 23 - Dojo explodes, Kasumi returns home to find the rubble.

After Kasumi traved back to change history, the sequence looked like this.
(Kasumi2 is the one from the future.)

May 20 - Kasumi leaves for her seminar
May 21 - Kasumi2 arrives, Ranma & Ryoga encounter Cerberus
May 22 - Gunshot wound to Ryoga, Bomb taken by Kasumi2
May 23 - Bomb explodes, killing Cerberus and Kasumi2. Kasumi returns home.

The Kasumi from the future is killed in the blast. HOWEVER, as the Kasumi
native to that time period was in Osaka during the whole thing, she is
able to show up in the final scene.
   In fact, it is almost literally impossible to kill off the native
Kasumi, because it is established in the first half that she safely shows
up at the dojo to find it destroyed.

- Mike of No Particular Title or Handle
===/\=====+==================================================================
  /  \    l   Mike Loader - Lincolnite, Amberite, Illuminatus, Discordian,
 / () \   l      Journalist, Author, Traveler, Historian, Java Fiend.
/      \  l        Trier - LA - LV - Kiev - Reno - Hong Kong. Fnord.
--------  l                    mloader@scs.unr.edu
==========+==================================================================