The policeman did not tell Donaldson, who only heard when he was warned by a senior officer to back off.
Donaldson heard when he was warned by a senior officer to back off. The policeman did not tell Donaldson.
The policeman did not tell Donaldson. Donaldson heard when he was warned by a senior officer to back off.
The policeman did not tell Donaldson. Donaldson heard when he was warned by a senior officer to back off.