If you check that link then you will see that most of people there died during 1st and 2nd Chechen war. Terrorists capture people.
It is not about freedom of speech, you need to get your facts right.
GET YOUR FACTS RIGHT.
The page says combined deaths not only Chechen conflicts.
For example...
1 February - Sergei Dubov, director of Novoye vremya publishing house, Moscow. Shot in contract killing.[59] Homicide [nJ].
26 April - Andrei Aidzerdzis, Duma deputy and publisher. Shot in contract killing, in Khimki near Moscow.[60] Homicide [nJ].
15 June - Yury Soltys, Interfax journalist and editor. Beaten to death in Moscow Region.[61] Homicide [?J].
15 October - Tatyana Zhuravlyova and husband, media workers, Komsomolskaya pravda (Samara bureau). Killed in Voronezh Region while driving their car in the country.[62] Homicide. [nJ].
17 July - Yelena Roshchina, chief editor of children's newspaper, Ivanovo. Murdered in her flat.[63] Homicide. The gang who killed her were tried and convicted in 2000 [nJ].
17 October - Dmitry Kholodov, military correspondent of the Moskovskii Komsomolets newspaper, was killed in Moscow when a booby-trapped briefcase he had collected from a railway station locker exploded in his newspaper's offices.[64] Homicide. Kholodov's alleged killers were tried and twice acquitted, in 2002 and in 2004 [J].
17 February - Vyacheslav Rudnev, freelance journalist, Kaluga, published in local Vest and Znamya newspapers. Homicide [?J].
1 March - Vladislav Listyev, head of the new ORT TV Channel, shot dead in stairwell of his Moscow apartment block in a classic contract killing. Homicide [nJ].
3 March - Igor Kaverin, engineer with Svobodnaya Nakhodka radio station, Primorsky Region. Shot in car, Homicide [nJ].
8 March - Oleg Ochkasov, freelance journalist in Voronezh, writing for Vecherny Voronezh and Skandalnaya pochta newspapers. Homicide [nJ].
16 March - Alexei Khropov, director of Vox radio station, recently off the air. Leningradskoe Highway, Moscow Region. Homicide [nJ].
6 June - Alexander Konovalenko, journalists with Krestyanskaya gazeta, Volgograd, beating in police station led to his death.[68] Homicide. Killer convicted in 1998 [?J].
4 August - Sergei Nazarov, former presenter of popular TV show "Vremechko". Killed in Moscow. Homicide [nJ].
10 August - Vadim Obekhov, columnist with Vesti newspaper, Petropavlovsk, Kamchatka Region. Homicide [nJ].
2 November - Andrei Ulanov, chief editor of Togliatti segodnya newspaper. Togliatt, Samara Region. Contract killing, homicide [nJ].
8 November - Sergei Ananyev, head of press service, East Siberian organised crime department. Murdered in Irkutsk. Outcome of 2000 trial not clear [nJ].
12 December - Victor Litvinov, "Golos Rossii" radio station commentator, Moscow, died after street attack.[70] Homicide [nJ].
10 December - 25-year-old Yaroslav Zvaltsev, financial director of the Russky dom newspaper in Magnitogorsk, shot in contract killing.[71] Homicide [nJ].
26 December - Vadim Alferyev, worked as journalist for local press and TV in Krasnoyarsk, where he died after a savage beating.[72] Homicide [?J].
25 January - Oleg Slabynko, founder of "Moment Istiny" corporation, producer of a program of the same name, a director of ORT (today Channel One TV), murdered in his Moscow apartment. Contract killing [nJ].
8 February - Yury Litvinov, engineer, and Alexander Zaitsev, director, of Forward cable television.[74] Found shot in car, Dalnegorsk, Primorsky Region. Contract killing? [nJ].
26 February - Felix Solovyov, famous photographer, Aeroflot journal editorial board, murdered in Moscow.[75] Homicide [nJ].
11 May - Victor Mikhailov, crime correspondent for Zabaikalsky rabochy newspaper.[74] Chita. Homicide [nJ].
26 July - Nikita Chigarkov, staff member of Utrenniy ekspress, beaten and robbed.[74] Moscow. Homicide [nJ].
I'm tired of copy pasting but the are more journalists that died murdered (probably because they dared criticize the soviet government) that the ones in war.