M20P PLT ENTERED A GOV OFFICIAL TFR AREA AND WAS INTERCEPTED BY A MIL F15. THE PLT DID NOT GET AN FSS BRIEFING; AND DID NOT KNOW OF THE TFR.

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I DEPARTED FRENCH VALLEY ARPT (F70) TO FLY TO EL MONTE (EMT); WITH A PLANNED FUEL STOP AT CORONA ARPT (AJO). WHEN I GAVE A POS RPT TO THE CORONA TFC; I WAS INFORMED BY UNICOM THAT THE ARPT WAS UNDER TFR. IT WAS NOT UNTIL THEN THAT I RECALLED A GOV OFFICIAL WAS IN SOUTHERN CALIFORNIA AND THINKING THAT HE MAY BE AT MARCH AFB; I IMMEDIATELY TURNED W TOWARDS EMT. AT THAT TIME; I NOTICED AN F15 OFF MY R WING. I UNSUCCESSFULLY ATTEMPTED TO CONTACT HIM ON 121.5. I THEN MADE NUMEROUS ATTEMPTS TO CONTACT SOCAL APCH ON 125.5; BUT RECEIVED NO ACKNOWLEDGEMENT. I CONTINUED TOWARDS EMT; CONTACTING EMT TWR FOR LNDG; BUT WAS INFORMED I COULD NOT LAND WITHOUT A DISCRETE SQUAWK CODE WHICH I ATTEMPTED TO OBTAIN WITHOUT SUCCESS A NUMBER OF TIMES CALLING THE FREQS GIVEN TO ME. BY THIS TIME; I WAS IN THE VICINITY OF SANTA ANITA RACE TRACK; WHICH IS N AND W OF EMT AND STILL COULD NOT OBTAIN PERMISSION TO LAND UNTIL I INFORMED ATC. I NOW HAD A LOW FUEL SIT AND DECLARED AN EMER. THE F15 HAD MADE SEVERAL PASSES BY THIS TIME SIGNALING ME TO LAND WHICH I COULD NOT COMPLY UNTIL I DECLARED AN EMER. THIS ENTIRE INCIDENT DEVELOPED BECAUSE I WAS UNAWARE OF THE TFR. CONTRIBUTING FACTOR WAS THE FRENCH VALLEY ARPT IS A NON TWR ARPT; SO THEY COULD NOT WARN ME OF THE TFR AND I NEGLECTED TO CALL ATC FOR A BRIEFING OR FILE A FLT PLAN BEFORE MY DEP. IN THE FUTURE; I NEED TO BE MORE AWARE OF THE POSSIBILITY OF TFR'S ALONG THE COURSE OF MY FLT; EVEN FOR FLTS OF RELATIVELY SHORT DISTANCE AND CONTACT ATC FOR A BRIEFING AND OR FILE A FLT PLAN.